![]() |
| Home | View Maps | Find Maps | Find Places | Resources & Links |
| State: | Maine | |
| Search Type: | Feature name matches the search term. | |
| Search For: | ||
| Feature Type: | Post Offices |
| Feature Name | Type | Latitude | Longitude | GNIS ID | View Map | |||||
| Abbot Post Office | Post Office | N45.1861° | W69.4541° | 1910003 | View Map | |||||
| Abbot Post Office (historical) | Post Office | Unknown | Unknown | 1910001 | ||||||
| Acadia Post Office (historical) | Post Office | Unknown | Unknown | 1910215 | ||||||
| Acton Post Office | Post Office | N43.5341° | W70.9149° | 1910723 | View Map | |||||
| Addison Post Office | Post Office | N44.6186° | W67.7450° | 1909052 | View Map | |||||
| Air Base Post Office | Post Office | Unknown | Unknown | 1913297 | ||||||
| Albany Post Office (historical) | Post Office | Unknown | Unknown | 1907912 | ||||||
| Albion Post Office | Post Office | N44.5330° | W69.4387° | 2768941 | View Map | |||||
| Alder Post Office (historical) | Post Office | Unknown | Unknown | 1908262 | ||||||
| Alewive Post Office (historical) | Post Office | Unknown | Unknown | 1910731 | ||||||
| Alexander Post Office | Post Office | Unknown | Unknown | 1909053 | ||||||
| Alfred Post Office | Post Office | Unknown | Unknown | 1910734 | ||||||
| Alfred Post Office | Post Office | N43.4747° | W70.7130° | 2768915 | View Map | |||||
| Allagash Post Office (historical) | Post Office | Unknown | Unknown | 1910223 | ||||||
| Allens Corner Post Office (historical) | Post Office | Unknown | Unknown | 1912132 | ||||||
| Allens Mills Post Office (historical) | Post Office | Unknown | Unknown | 1908263 | ||||||
| Alna Post Office | Post Office | N44.1062° | W69.6041° | 1909703 | View Map | |||||
| Alta Post Office (historical) | Post Office | Unknown | Unknown | 1908751 | ||||||
| Alton Post Office (historical) | Post Office | Unknown | Unknown | 1913300 | ||||||
| Alton Village Post Office (historical) | Post Office | Unknown | Unknown | 1913301 | ||||||
| Amherst Post Office | Post Office | Unknown | Unknown | 1911337 | ||||||
| Amity Post Office (historical) | Post Office | Unknown | Unknown | 1910225 | ||||||
| Andover Post Office | Post Office | N44.6324° | W70.7497° | 1907915 | View Map | |||||
| Anson Post Office | Post Office | N44.7971° | W69.8906° | 1908479 | View Map | |||||
| Appledore Post Office (historical) | Post Office | Unknown | Unknown | 1911309 | ||||||
| Appleton Post Office | Post Office | Unknown | Unknown | 1909413 | ||||||
| Argyle Post Office (historical) | Post Office | Unknown | Unknown | 1913306 | ||||||
| Army Air Field Post Office | Post Office | Unknown | Unknown | 1910226 | ||||||
| Arnold Post Office (historical) | Post Office | Unknown | Unknown | 1913307 | ||||||
| Ashland Post Office | Post Office | N46.6312° | W68.4046° | 1910242 | View Map | |||||
| Ashpoint Post Office | Post Office | Unknown | Unknown | 1909417 | ||||||
| Ashville Post Office | Post Office | Unknown | Unknown | 1911343 | ||||||
| Asticou Post Office (historical) | Post Office | Unknown | Unknown | 1911347 | ||||||
| Athens Post Office | Post Office | N44.9279° | W69.6747° | 1908483 | View Map | |||||
| Atkinson Post Office (historical) | Post Office | Unknown | Unknown | 1910008 | ||||||
| Atlantic Post Office | Post Office | Unknown | Unknown | 1911352 | ||||||
| Auburn Plains Post Office (historical) | Post Office | Unknown | Unknown | 1908769 | ||||||
| Auburn Post Office | Post Office | N44.0753° | W70.2574° | 1908771 | View Map | |||||
| Auburn South Dam Post Office (historical) | Post Office | Unknown | Unknown | 1908773 | ||||||
| Augusta Post Office | Post Office | N44.3110° | W69.7835° | 2768913 | View Map | |||||
| Aurora Post Office | Post Office | N44.8538° | W68.3287° | 1911353 | View Map | |||||
| Avon Post Office (historical) | Post Office | Unknown | Unknown | 1908267 | ||||||
| Ayers Post Office | Post Office | N44.9015° | W67.2369° | 1909127 | View Map | |||||
| Backriver Post Office (historical) | Post Office | Unknown | Unknown | 1909707 | ||||||
| Bailey Island Post Office | Post Office | N43.7360° | W69.9954° | 2768905 | View Map | |||||
| Baileyville Post Office | Post Office | N45.1468° | W67.3987° | 2768926 | View Map | |||||
| Baileyville Post Office (historical) | Post Office | Unknown | Unknown | 1909058 | ||||||
| Bald Mountain Post Office | Post Office | Unknown | Unknown | 1908269 | ||||||
| Bancroft Mills Post Office (historical) | Post Office | Unknown | Unknown | 1910246 | ||||||
| Bangor Post Office | Post Office | N44.8019° | W68.7724° | 1913331 | View Map | |||||
| Bar Harbor Post Office | Post Office | N44.3896° | W68.2072° | 1911371 | View Map | |||||
| Bar Mills Post Office | Post Office | N43.6126° | W70.5463° | 1910748 | View Map | |||||
| Baring Post Office | Post Office | Unknown | Unknown | 1909060 | ||||||
| Barker Post Office (historical) | Post Office | Unknown | Unknown | 1908270 | ||||||
| Barnard Post Office (historical) | Post Office | Unknown | Unknown | 1910009 | ||||||
| Barrett Post Office (historical) | Post Office | Unknown | Unknown | 1907920 | ||||||
| Barters Island Post Office (historical) | Post Office | Unknown | Unknown | 1909709 | ||||||
| Bartletts Post Office (historical) | Post Office | Unknown | Unknown | 1910752 | ||||||
| Basin Post Office (historical) | Post Office | Unknown | Unknown | 1909062 | ||||||
| Bass Harbor Post Office | Post Office | N44.2377° | W68.3448° | 1911385 | View Map | |||||
| Bates Post Office (historical) | Post Office | Unknown | Unknown | 1908485 | ||||||
| Bath Post Office | Post Office | N43.9108° | W69.8166° | 1907766 | View Map | |||||
| Bathurst Post Office (historical) | Post Office | Unknown | Unknown | 1910248 | ||||||
| Bauneg-Beg Post Office (historical) | Post Office | Unknown | Unknown | 1910754 | ||||||
| Bay Point Post Office (historical) | Post Office | Unknown | Unknown | 1907771 | ||||||
| Bayside Post Office (historical) | Post Office | Unknown | Unknown | 1911388 | ||||||
| Bayview Post Office (historical) | Post Office | Unknown | Unknown | 1910755 | ||||||
| Bayville Post Office | Post Office | N43.8600° | W69.6022° | 1909710 | View Map | |||||
| Beachwood Post Office (historical) | Post Office | Unknown | Unknown | 1910757 | ||||||
| Beals Post Office | Post Office | N44.5193° | W67.6119° | 2768925 | View Map | |||||
| Beals Post Office (historical) | Post Office | Unknown | Unknown | 1909067 | ||||||
| Beans Corner Post Office (historical) | Post Office | Unknown | Unknown | 1908273 | ||||||
| Beattie Post Office (historical) | Post Office | Unknown | Unknown | 1908274 | ||||||
| Beddington Post Office (historical) | Post Office | Unknown | Unknown | 1909068 | ||||||
| Belfast Post Office | Post Office | N44.4252° | W69.0078° | 2768982 | View Map | |||||
| Belgrade Lakes Post Office | Post Office | N44.5290° | W69.8879° | 2768966 | View Map | |||||
| Belgrade Post Office | Post Office | N44.4648° | W69.8314° | 2768927 | View Map | |||||
| Bemis Post Office (historical) | Post Office | Unknown | Unknown | 1908275 | ||||||
| Benedicta Post Office | Post Office | N45.8057° | W68.4123° | 1910250 | View Map | |||||
| Benner Post Office (historical) | Post Office | Unknown | Unknown | 1909711 | ||||||
| Berlin Post Office (historical) | Post Office | Unknown | Unknown | 1907924 | ||||||
| Bernard Post Office | Post Office | N44.2430° | W68.3569° | 1911409 | View Map | |||||
| Berry Mills Post Office (historical) | Post Office | Unknown | Unknown | 1908280 | ||||||
| Berwick Branch Post Office (historical) | Post Office | Unknown | Unknown | 1910762 | ||||||
| Berwick Post Office | Post Office | N43.2647° | W70.8502° | 1911043 | View Map | |||||
| Bethel Post Office | Post Office | N44.4072° | W70.7895° | 1907931 | View Map | |||||
| Biddeford Pool Post Office | Post Office | N43.4465° | W70.3542° | 1910772 | View Map | |||||
| Biddeford Post Office | Post Office | N43.4910° | W70.4566° | 1910774 | View Map | |||||
| Biddeford Post Office | Post Office | N43.4910° | W70.4565° | 1911125 | View Map | |||||
| Big Island Post Office (historical) | Post Office | Unknown | Unknown | 1908281 | ||||||
| Bigelow Post Office (historical) | Post Office | Unknown | Unknown | 1908282 | ||||||
| Bingham Post Office | Post Office | N45.0570° | W69.8828° | 1908488 | View Map | |||||
| Birch Harbor Post Office | Post Office | N44.3890° | W68.0402° | 1911412 | View Map | |||||
| Birch Island Post Office | Post Office | Unknown | Unknown | 1912177 | ||||||
| Birch Stream Post Office (historical) | Post Office | Unknown | Unknown | 1913347 | ||||||
| Birches Post Office (historical) | Post Office | Unknown | Unknown | 1907932 | ||||||
| Birchville Post Office (historical) | Post Office | Unknown | Unknown | 1913348 | ||||||
| Biscay Post Office (historical) | Post Office | Unknown | Unknown | 1909713 | ||||||
| Blackberry Hill Post Office | Post Office | Unknown | Unknown | 1910779 | ||||||
| Blackwell Post Office (historical) | Post Office | Unknown | Unknown | 1908491 | ||||||
| Blaine Post Office | Post Office | N46.5065° | W67.8683° | 2789373 | View Map | |||||
| Blanchard Post Office | Post Office | Unknown | Unknown | 1910015 | ||||||
| Bloomfield Post Office (historical) | Post Office | Unknown | Unknown | 1908494 | ||||||
| Blue Hill Post Office | Post Office | N44.4145° | W68.5862° | 1911430 | View Map | |||||
| Bluehill Falls Post Office | Post Office | Unknown | Unknown | 1911429 | ||||||
| Bobscook Post Office (historical) | Post Office | Unknown | Unknown | 1909112 | ||||||
| Bolsters Mills Post Office (historical) | Post Office | Unknown | Unknown | 1912189 | ||||||
| Bonny Eagle Post Office (historical) | Post Office | Unknown | Unknown | 1912192 | ||||||
| Bonny Post Office (historical) | Post Office | Unknown | Unknown | 1909072 | ||||||
| Boothbay Centre Post Office (historical) | Post Office | Unknown | Unknown | 1909715 | ||||||
| Boothbay Harbor Post Office | Post Office | N43.8524° | W69.6282° | 1909719 | View Map | |||||
| Boothbay Post Office | Post Office | N43.8760° | W69.6350° | 1909722 | View Map | |||||
| Borestone Post Office (historical) | Post Office | Unknown | Unknown | 1910016 | ||||||
| Boston Ranch Post Office (historical) | Post Office | Unknown | Unknown | 1908495 | ||||||
| Bouchard Post Office (historical) | Post Office | Unknown | Unknown | 1910262 | ||||||
| Boundary Post Office (historical) | Post Office | Unknown | Unknown | 1910264 | ||||||
| Bowdoin Post Office | Post Office | N44.0465° | W70.0247° | 1907775 | View Map | |||||
| Bowdoin Post Office (historical) | Post Office | Unknown | Unknown | 1907774 | ||||||
| Bowdoinham Post Office | Post Office | N44.0208° | W69.9207° | 1907777 | View Map | |||||
| Bowerbank Post Office | Post Office | Unknown | Unknown | 1910018 | ||||||
| Bowery Beach Post Office (historical) | Post Office | Unknown | Unknown | 1912199 | ||||||
| Boyd Lake Post Office (historical) | Post Office | Unknown | Unknown | 1910019 | ||||||
| Bradbury Post Office (historical) | Post Office | Unknown | Unknown | 1910267 | ||||||
| Bradford Centre Post Office | Post Office | Unknown | Unknown | 1913353 | ||||||
| Bradford Post Office | Post Office | N45.0736° | W68.8952° | 1913354 | View Map | |||||
| Bradley Post Office | Post Office | N44.9137° | W68.6316° | 1913356 | View Map | |||||
| Branch Post Office (historical) | Post Office | Unknown | Unknown | 1908496 | ||||||
| Bremen Post Office | Post Office | N44.0054° | W69.4102° | 2768960 | View Map | |||||
| Bremen Post Office (historical) | Post Office | Unknown | Unknown | 1909729 | ||||||
| Brewer Post Office | Post Office | N44.7821° | W68.7511° | 1909323 | View Map | |||||
| Bridgewater Post Office | Post Office | N46.4260° | W67.8439° | 2768929 | View Map | |||||
| Bridgewater Post Office (historical) | Post Office | Unknown | Unknown | 1910266 | ||||||
| Bridgton Post Office | Post Office | N44.0553° | W70.7073° | 2768928 | View Map | |||||
| Bridgton Post Office (historical) | Post Office | Unknown | Unknown | 1912212 | ||||||
| Bridgton Valley Post Office (historical) | Post Office | Unknown | Unknown | 1912214 | ||||||
| Briggs Corner Post Office (historical) | Post Office | Unknown | Unknown | 1912215 | ||||||
| Brighton Post Office | Post Office | Unknown | Unknown | 1908497 | ||||||
| Bristol Mills Post Office (historical) | Post Office | Unknown | Unknown | 1909732 | ||||||
| Bristol Post Office | Post Office | N43.9586° | W69.5098° | 1909733 | View Map | |||||
| Brixham Post Office | Post Office | Unknown | Unknown | 1910787 | ||||||
| Broad Bay Post Office (historical) | Post Office | Unknown | Unknown | 1909735 | ||||||
| Broad Cove Post Office (historical) | Post Office | Unknown | Unknown | 1909736 | ||||||
| Brockways Mills Post Office (historical) | Post Office | Unknown | Unknown | 1910020 | ||||||
| Brooklin Post Office | Post Office | N44.2656° | W68.5714° | 1911435 | View Map | |||||
| Brooks Post Office | Post Office | N44.5525° | W69.1243° | 2768918 | View Map | |||||
| Brooksville Post Office | Post Office | N44.3539° | W68.7506° | 1911438 | View Map | |||||
| Brookton Post Office | Post Office | N45.5312° | W67.7651° | 1909074 | View Map | |||||
| Brownfield Centre Post Office (historical) | Post Office | Unknown | Unknown | 1907938 | ||||||
| Brownfield Post Office | Post Office | N43.9413° | W70.8971° | 1907942 | View Map | |||||
| Brownville Junction Post Office | Post Office | N45.3500° | W69.0555° | 1910022 | View Map | |||||
| Brownville Post Office | Post Office | N45.3067° | W69.0332° | 1910023 | View Map | |||||
| Brunswick Post Office | Post Office | N43.9142° | W69.9679° | 1912230 | View Map | |||||
| Bryant Pond Post Office | Post Office | N44.3781° | W70.6462° | 1907944 | View Map | |||||
| Buckfield Post Office | Post Office | N44.2896° | W70.3647° | 1907948 | View Map | |||||
| Bucks Harbor Post Office | Post Office | Unknown | Unknown | 1909075 | ||||||
| Bucks Mills Post Office (historical) | Post Office | Unknown | Unknown | 1911446 | ||||||
| Bucksport Center Post Office (historical) | Post Office | Unknown | Unknown | 1911447 | ||||||
| Bucksport Post Office | Post Office | N44.5726° | W68.7963° | 1911451 | View Map | |||||
| Bunganuc Post Office (historical) | Post Office | Unknown | Unknown | 1912233 | ||||||
| Bunkerhill Post Office (historical) | Post Office | Unknown | Unknown | 1909738 | ||||||
| Burdin Post Office (historical) | Post Office | Unknown | Unknown | 1910025 | ||||||
| Burkettville Post Office | Post Office | Unknown | Unknown | 1909425 | ||||||
| Burleigh Post Office (historical) | Post Office | Unknown | Unknown | 1910268 | ||||||
| Burlington Post Office | Post Office | N45.2069° | W68.4249° | 1913370 | View Map | |||||
| Burnham Post Office | Post Office | N44.6918° | W69.4255° | 2768924 | View Map | |||||
| Bustins Island Post Office | Post Office | Unknown | Unknown | 1912238 | ||||||
| Buxton Center Post Office (historical) | Post Office | Unknown | Unknown | 1910791 | ||||||
| Buxton Post Office | Post Office | N43.6718° | W70.5830° | 1910792 | View Map | |||||
| Byron Post Office (historical) | Post Office | Unknown | Unknown | 1907945 | ||||||
| Calais Post Office | Post Office | N45.1874° | W67.2791° | 1909089 | View Map | |||||
| Cambridge Post Office | Post Office | N45.0230° | W69.4730° | 1908500 | View Map | |||||
| Camden Post Office | Post Office | N44.2093° | W69.0646° | 1909431 | View Map | |||||
| Camp Caribou Post Office (historical) | Post Office | Unknown | Unknown | 1907950 | ||||||
| Canaan Line Post Office (historical) | Post Office | Unknown | Unknown | 1908503 | ||||||
| Canaan Post Office | Post Office | N44.7617° | W69.5619° | 1908504 | View Map | |||||
| Canada Line Post Office (historical) | Post Office | Unknown | Unknown | 1908505 | ||||||
| Canada Road Post Office (historical) | Post Office | Unknown | Unknown | 1908506 | ||||||
| Canton Mills Post Office (historical) | Post Office | Unknown | Unknown | 1907957 | ||||||
| Canton Post Office | Post Office | N44.4404° | W70.3159° | 1907958 | View Map | |||||
| Cape Cottage Post Office | Post Office | N43.6259° | W70.2168° | 1912259 | View Map | |||||
| Cape Elizabeth Depot Post Office | Post Office | N43.5937° | W70.2274° | 1912884 | View Map | |||||
| Cape Elizabeth Post Office (historical) | Post Office | Unknown | Unknown | 1912264 | ||||||
| Cape Neddic Post Office | Post Office | N43.1897° | W70.6206° | 1910803 | View Map | |||||
| Cape Porpoise Post Office | Post Office | N43.3722° | W70.4389° | 1910806 | View Map | |||||
| Cape Rosier Post Office | Post Office | Unknown | Unknown | 1911459 | ||||||
| Capens Post Office | Post Office | Unknown | Unknown | 1910028 | ||||||
| Capitol Island Post Office | Post Office | Unknown | Unknown | 1909743 | ||||||
| Caratunk Post Office | Post Office | N45.2340° | W69.9919° | 1908507 | View Map | |||||
| Cardville Post Office | Post Office | Unknown | Unknown | 1913378 | ||||||
| Caribou Post Office | Post Office | N46.8605° | W68.0139° | 1910463 | View Map | |||||
| Caribou Post Office | Post Office | N46.8605° | W68.0139° | 1910278 | View Map | |||||
| Carmel Post Office | Post Office | N44.7994° | W69.0594° | 1913381 | View Map | |||||
| Carrabassett Post Office (historical) | Post Office | Unknown | Unknown | 1908291 | ||||||
| Carrie Pond Post Office (historical) | Post Office | Unknown | Unknown | 1908509 | ||||||
| Carroll Post Office | Post Office | Unknown | Unknown | 1913384 | ||||||
| Carson Post Office (historical) | Post Office | Unknown | Unknown | 1910282 | ||||||
| Carver's Harbor Post Office | Post Office | N44.0477° | W68.8333° | 1909671 | View Map | |||||
| Cary Post Office (historical) | Post Office | Unknown | Unknown | 1910287 | ||||||
| Casco Post Office | Post Office | N44.0046° | W70.5228° | 1912273 | View Map | |||||
| Cashs Corner Post Office (historical) | Post Office | Unknown | Unknown | 1912275 | ||||||
| Castine Post Office | Post Office | N44.3888° | W68.7985° | 1911468 | View Map | |||||
| Castle Hill Post Office (historical) | Post Office | Unknown | Unknown | 1910289 | ||||||
| Caswell Post Office (historical) | Post Office | Unknown | Unknown | 1910290 | ||||||
| Cathance Post Office (historical) | Post Office | Unknown | Unknown | 1907780 | ||||||
| Cedar Grove Post Office | Post Office | Unknown | Unknown | 1909745 | ||||||
| Cedar Post Office | Post Office | Unknown | Unknown | 1909097 | ||||||
| Center Guilford Post Office (historical) | Post Office | Unknown | Unknown | 1910032 | ||||||
| Center Lebanon Post Office (historical) | Post Office | Unknown | Unknown | 1910812 | ||||||
| Center Lovell Post Office | Post Office | N44.1742° | W70.8933° | 1907962 | View Map | |||||
| Center Post Office (historical) | Post Office | Unknown | Unknown | 1911476 | ||||||
| Centerville Post Office | Post Office | Unknown | Unknown | 1909098 | ||||||
| Chain of Ponds Post Office (historical) | Post Office | Unknown | Unknown | 1908295 | ||||||
| Chamberlain Post Office | Post Office | N43.8915° | W69.4773° | 1909748 | View Map | |||||
| Chandler Post Office (historical) | Post Office | Unknown | Unknown | 1910035 | ||||||
| Chapman Post Office (historical) | Post Office | Unknown | Unknown | 1910292 | ||||||
| Charleston Post Office | Post Office | N45.0856° | W69.0370° | 1913395 | View Map | |||||
| Chase Mills Post Office (historical) | Post Office | Unknown | Unknown | 1908793 | ||||||
| Chebeague Island Post Office | Post Office | N43.7295° | W70.1113° | 1912290 | View Map | |||||
| Chebeague Post Office (historical) | Post Office | Unknown | Unknown | 1912291 | ||||||
| Cherryfield Post Office | Post Office | N44.5978° | W67.9187° | 1909106 | View Map | |||||
| Chester Mills Post Office (historical) | Post Office | Unknown | Unknown | 1913398 | ||||||
| Chester Post Office (historical) | Post Office | Unknown | Unknown | 1913399 | ||||||
| Chesterville Post Office (historical) | Post Office | Unknown | Unknown | 1908296 | ||||||
| Chesuncook Post Office | Post Office | Unknown | Unknown | 1910038 | ||||||
| Chicopee Post Office (historical) | Post Office | Unknown | Unknown | 1910815 | ||||||
| China Village Post Office | Post Office | N44.4817° | W69.5167° | 2575995 | View Map | |||||
| Chisholm Post Office (historical) | Post Office | Unknown | Unknown | 1908299 | ||||||
| Christmas Cove Post Office | Post Office | Unknown | Unknown | 1909752 | ||||||
| Clark Island Post Office (historical) | Post Office | Unknown | Unknown | 1909444 | ||||||
| Clarks Mill Post Office (historical) | Post Office | Unknown | Unknown | 1910821 | ||||||
| Clayton Lake Post Office | Post Office | N46.6114° | W69.5317° | 1910300 | View Map | |||||
| Cleveland Post Office (historical) | Post Office | Unknown | Unknown | 1910301 | ||||||
| Cliff Island Post Office | Post Office | N43.6949° | W70.1088° | 1912311 | View Map | |||||
| Clifton Post Office (historical) | Post Office | Unknown | Unknown | 1913415 | ||||||
| Clinton Post Office | Post Office | N44.6375° | W69.5026° | 2768919 | View Map | |||||
| Clyde Post Office (historical) | Post Office | Unknown | Unknown | 1910303 | ||||||
| Coburn Gore Post Office | Post Office | Unknown | Unknown | 1908302 | ||||||
| Colbath Post Office (historical) | Post Office | Unknown | Unknown | 1910304 | ||||||
| Cole Post Office (historical) | Post Office | Unknown | Unknown | 1910041 | ||||||
| College Grant Post Office (historical) | Post Office | Unknown | Unknown | 1910305 | ||||||
| Columbia Falls Post Office | Post Office | N44.6532° | W67.7281° | 1909117 | View Map | |||||
| Columbia Post Office (historical) | Post Office | Unknown | Unknown | 1909118 | ||||||
| Concord Post Office (historical) | Post Office | Unknown | Unknown | 1908514 | ||||||
| Conner Post Office (historical) | Post Office | Unknown | Unknown | 1910307 | ||||||
| Cooks Post Office (historical) | Post Office | Unknown | Unknown | 1912323 | ||||||
| Cooper Post Office | Post Office | Unknown | Unknown | 1909120 | ||||||
| Cooper's Mills Post Office | Post Office | N44.2594° | W69.5529° | 1909756 | View Map | |||||
| Coplin Post Office (historical) | Post Office | Unknown | Unknown | 1908303 | ||||||
| Coral Post Office (historical) | Post Office | Unknown | Unknown | 1910308 | ||||||
| Corea Post Office | Post Office | N44.4007° | W67.9752° | 1911496 | View Map | |||||
| Corinna Center Post Office (historical) | Post Office | Unknown | Unknown | 1913428 | ||||||
| Corinna Post Office | Post Office | N44.9218° | W69.2583° | 1913431 | View Map | |||||
| Corinth Post Office | Post Office | N45.0062° | W69.0242° | 2768978 | View Map | |||||
| Corinth Post Office (historical) | Post Office | Unknown | Unknown | 1913432 | ||||||
| Cornish Post Office | Post Office | N43.8024° | W70.8227° | 1910830 | View Map | |||||
| Cornish Post Office (historical) | Post Office | Unknown | Unknown | 1910831 | ||||||
| Cornville Post Office (historical) | Post Office | Unknown | Unknown | 1908516 | ||||||
| Costigan Post Office (historical) | Post Office | Unknown | Unknown | 1913436 | ||||||
| Costigan Station Post Office (historical) | Post Office | Unknown | Unknown | 1913437 | ||||||
| Cousins Island Post Office (historical) | Post Office | Unknown | Unknown | 1912327 | ||||||
| Cranberry Isles Post Office | Post Office | N44.2578° | W68.2700° | 1911499 | View Map | |||||
| Cranberry Isles Post Office | Post Office | Unknown | Unknown | 1911500 | ||||||
| Crawford Post Office | Post Office | Unknown | Unknown | 1909124 | ||||||
| Crescent Lake Post Office | Post Office | Unknown | Unknown | 1912331 | ||||||
| Criehaven Post Office (historical) | Post Office | Unknown | Unknown | 1909448 | ||||||
| Crockerville Post Office (historical) | Post Office | Unknown | Unknown | 1908517 | ||||||
| Crosby Post Office (historical) | Post Office | Unknown | Unknown | 1911509 | ||||||
| Crouseville Post Office | Post Office | N46.7550° | W68.0966° | 1910310 | View Map | |||||
| Crystal Post Office (historical) | Post Office | Unknown | Unknown | 1910311 | ||||||
| Cumberland Center Post Office | Post Office | N43.8002° | W70.2544° | 2768916 | View Map | |||||
| Cumberland Mills Post Office (historical) | Post Office | Unknown | Unknown | 1912339 | ||||||
| Cumberland Post Office (historical) | Post Office | Unknown | Unknown | 1912340 | ||||||
| Cundys Harbor Post Office (historical) | Post Office | Unknown | Unknown | 1912343 | ||||||
| Cupsuptic Post Office (historical) | Post Office | Unknown | Unknown | 1907977 | ||||||
| Curtis Corner Post Office | Post Office | Unknown | Unknown | 1908799 | ||||||
| Cushing Post Office | Post Office | N43.9995° | W69.2680° | 2768981 | View Map | |||||
| Cushings Island Post Office | Post Office | Unknown | Unknown | 1912345 | ||||||
| Cutler Post Office | Post Office | N44.6583° | W67.2030° | 1909128 | View Map | |||||
| Daigle Post Office (historical) | Post Office | Unknown | Unknown | 1910313 | ||||||
| Dallas Post Office (historical) | Post Office | Unknown | Unknown | 1908306 | ||||||
| Dalotville Post Office (historical) | Post Office | Unknown | Unknown | 1909130 | ||||||
| Damariscotta Mills Post Office | Post Office | Unknown | Unknown | 1909762 | ||||||
| Damariscotta Post Office | Post Office | N44.0324° | W69.5310° | 1909763 | View Map | |||||
| Damascus Post Office (historical) | Post Office | Unknown | Unknown | 1913444 | ||||||
| Danforth Post Office | Post Office | N45.6600° | W67.8674° | 1909132 | View Map | |||||
| Danville Post Office | Post Office | Unknown | Unknown | 1908800 | ||||||
| Davidson Post Office (historical) | Post Office | Unknown | Unknown | 1913446 | ||||||
| Davidsville Post Office (historical) | Post Office | Unknown | Unknown | 1908518 | ||||||
| Dead River Post Office (historical) | Post Office | Unknown | Unknown | 1908519 | ||||||
| Deadwater Post Office | Post Office | Unknown | Unknown | 1908520 | ||||||
| Deblois Post Office (historical) | Post Office | Unknown | Unknown | 1909135 | ||||||
| Debsconeag Post Office (historical) | Post Office | Unknown | Unknown | 1910044 | ||||||
| Dedham Post Office (historical) | Post Office | Unknown | Unknown | 1911512 | ||||||
| Deer Isle Post Office | Post Office | N44.2239° | W68.6793° | 1911521 | View Map | |||||
| Deering Center Post Office (historical) | Post Office | Unknown | Unknown | 1912356 | ||||||
| Deering Post Office (historical) | Post Office | Unknown | Unknown | 1912357 | ||||||
| Denmark Post Office | Post Office | N43.9709° | W70.7999° | 1907981 | View Map | |||||
| Dennysville Post Office | Post Office | N44.9006° | W67.2275° | 1909138 | View Map | |||||
| Derby Post Office | Post Office | Unknown | Unknown | 1910045 | ||||||
| Detroit Post Office | Post Office | N44.7953° | W69.2977° | 1908522 | View Map | |||||
| Dewey Post Office (historical) | Post Office | Unknown | Unknown | 1909139 | ||||||
| Dexter Post Office | Post Office | N45.0239° | W69.2893° | 1913453 | View Map | |||||
| Diamond Post Office (historical) | Post Office | Unknown | Unknown | 1912359 | ||||||
| Dickey Post Office (historical) | Post Office | Unknown | Unknown | 1910314 | ||||||
| Dickvale Post Office (historical) | Post Office | Unknown | Unknown | 1907982 | ||||||
| Dirigo Island Post Office (historical) | Post Office | Unknown | Unknown | 1911530 | ||||||
| Dirigo Post Office (historical) | Post Office | Unknown | Unknown | 1911531 | ||||||
| Dirigo Post Office (historical) | Post Office | Unknown | Unknown | 1908804 | ||||||
| Dixfield Center Post Office (historical) | Post Office | Unknown | Unknown | 1907985 | ||||||
| Dixfield Post Office | Post Office | N44.5312° | W70.4554° | 1907989 | View Map | |||||
| Dixmont Centre Post Office | Post Office | Unknown | Unknown | 1913458 | ||||||
| Dixmont Post Office | Post Office | N44.6812° | W69.1601° | 1913460 | View Map | |||||
| Dorman Post Office (historical) | Post Office | Unknown | Unknown | 1909141 | ||||||
| Douglas Hill Post Office | Post Office | Unknown | Unknown | 1912366 | ||||||
| Dover Foxcroft Post Office | Post Office | N45.1862° | W69.2310° | 1910051 | View Map | |||||
| Dover South Mills Post Office (historical) | Post Office | Unknown | Unknown | 1910048 | ||||||
| Dover-Foxcroft Menick Square Station Post Office | Post Office | Unknown | Unknown | 1910049 | ||||||
| Downtown Station Post Office | Post Office | N43.6587° | W70.2572° | 2768962 | View Map | |||||
| Dresden Camp Ground Post Office (historical) | Post Office | Unknown | Unknown | 1907794 | ||||||
| Dresden Post Office | Post Office | N44.1067° | W69.7243° | 1909768 | View Map | |||||
| Dresden Post Office (historical) | Post Office | Unknown | Unknown | 1909769 | ||||||
| Dry Mills Post Office | Post Office | Unknown | Unknown | 1912370 | ||||||
| Dryden Post Office | Post Office | N44.5895° | W70.2129° | 1908312 | View Map | |||||
| Dudley Post Office (historical) | Post Office | Unknown | Unknown | 1910719 | ||||||
| Durham Post Office (historical) | Post Office | Unknown | Unknown | 1908806 | ||||||
| Dyerbrook Post Office (historical) | Post Office | Unknown | Unknown | 1910319 | ||||||
| Dyers Post Office (historical) | Post Office | Unknown | Unknown | 1909771 | ||||||
| Dyers River Post Office (historical) | Post Office | Unknown | Unknown | 1909772 | ||||||
| Eagle Lake Mills Post Office (historical) | Post Office | Unknown | Unknown | 1910321 | ||||||
| Eagle Lake Post Office | Post Office | N47.0412° | W68.5971° | 1910322 | View Map | |||||
| Eagle Post Office | Post Office | Unknown | Unknown | 1911548 | ||||||
| Eagle Post Office (historical) | Post Office | Unknown | Unknown | 1913468 | ||||||
| East Alna Post Office (historical) | Post Office | Unknown | Unknown | 1909773 | ||||||
| East Andover Post Office | Post Office | N44.6138° | W70.7150° | 1907991 | View Map | |||||
| East Athens Post Office (historical) | Post Office | Unknown | Unknown | 1908524 | ||||||
| East Auburn Post Office (historical) | Post Office | Unknown | Unknown | 1908808 | ||||||
| East Baldwin Post Office | Post Office | Unknown | Unknown | 1912376 | ||||||
| East Bangor Post Office (historical) | Post Office | Unknown | Unknown | 1913471 | ||||||
| East Bethel Post Office (historical) | Post Office | Unknown | Unknown | 1907992 | ||||||
| East Bluehill Post Office | Post Office | Unknown | Unknown | 1911550 | ||||||
| East Boothbay Post Office | Post Office | N43.8655° | W69.5848° | 1909774 | View Map | |||||
| East Bowdoinham Post Office (historical) | Post Office | Unknown | Unknown | 1907795 | ||||||
| East Bradford Post Office (historical) | Post Office | Unknown | Unknown | 1913472 | ||||||
| East Brownfield Post Office | Post Office | Unknown | Unknown | 1907993 | ||||||
| East Bucksport Post Office (historical) | Post Office | Unknown | Unknown | 1911551 | ||||||
| East Caribou Post Office (historical) | Post Office | Unknown | Unknown | 1910324 | ||||||
| East Corinna Post Office (historical) | Post Office | Unknown | Unknown | 1913473 | ||||||
| East Corinth Post Office | Post Office | Unknown | Unknown | 1913474 | ||||||
| East Cornville Post Office (historical) | Post Office | Unknown | Unknown | 1908525 | ||||||
| East Dedham Post Office (historical) | Post Office | Unknown | Unknown | 1911552 | ||||||
| East Deering Post Office (historical) | Post Office | Unknown | Unknown | 1912379 | ||||||
| East Denmark Post Office (historical) | Post Office | Unknown | Unknown | 1907994 | ||||||
| East Dixfield Post Office | Post Office | N44.5736° | W70.3048° | 2789356 | View Map | |||||
| East Dixfield Post Office (historical) | Post Office | Unknown | Unknown | 1907995 | ||||||
| East Dixmont Post Office (historical) | Post Office | Unknown | Unknown | 1913475 | ||||||
| East Dover Post Office | Post Office | Unknown | Unknown | 1910052 | ||||||
| East Eddington Post Office | Post Office | Unknown | Unknown | 1913477 | ||||||
| East Edgecomb Post Office (historical) | Post Office | Unknown | Unknown | 1909777 | ||||||
| East Exeter Post Office (historical) | Post Office | Unknown | Unknown | 1913478 | ||||||
| East Livermore Mills Post Office (historical) | Post Office | Unknown | Unknown | 1908811 | ||||||
| East Machias Post Office | Post Office | N44.7348° | W67.3942° | 1909151 | View Map | |||||
| East Madison Post Office (historical) | Post Office | Unknown | Unknown | 1908527 | ||||||
| East Madrid Post Office (historical) | Post Office | Unknown | Unknown | 1908317 | ||||||
| East Maysville Post Office (historical) | Post Office | Unknown | Unknown | 1910326 | ||||||
| East Mercer Post Office (historical) | Post Office | Unknown | Unknown | 1908528 | ||||||
| East Milburne Post Office (historical) | Post Office | Unknown | Unknown | 1908529 | ||||||
| East Millinocket Post Office | Post Office | N45.6263° | W68.5779° | 1913481 | View Map | |||||
| East Milo Post Office (historical) | Post Office | Unknown | Unknown | 1910053 | ||||||
| East Milton Post Office (historical) | Post Office | Unknown | Unknown | 1907996 | ||||||
| East Minot Post Office (historical) | Post Office | Unknown | Unknown | 1908812 | ||||||
| East New Portland Post Office | Post Office | Unknown | Unknown | 1908530 | ||||||
| East New Sharon Post Office (historical) | Post Office | Unknown | Unknown | 1908313 | ||||||
| East New Vineyard Post Office (historical) | Post Office | Unknown | Unknown | 1908314 | ||||||
| East Newcastle Post Office (historical) | Post Office | Unknown | Unknown | 1909778 | ||||||
| East Newport Post Office | Post Office | N44.8199° | W69.2205° | 1913483 | View Map | |||||
| East North Yarmouth Post Office (historical) | Post Office | Unknown | Unknown | 1912381 | ||||||
| East Orland Post Office | Post Office | N44.5665° | W68.6848° | 1911554 | View Map | |||||
| East Orrington Post Office (historical) | Post Office | Unknown | Unknown | 1913485 | ||||||
| East Parsonfield Post Office | Post Office | Unknown | Unknown | 1910847 | ||||||
| East Perham Post Office | Post Office | Unknown | Unknown | 1910327 | ||||||
| East Peru Post Office | Post Office | Unknown | Unknown | 1907998 | ||||||
| East Poland Post Office | Post Office | Unknown | Unknown | 1908813 | ||||||
| East Pond Post Office (historical) | Post Office | Unknown | Unknown | 1908531 | ||||||
| East Raymond Post Office (historical) | Post Office | Unknown | Unknown | 1912382 | ||||||
| East Rumford Post Office (historical) | Post Office | Unknown | Unknown | 1907999 | ||||||
| East Saint Albans Post Office (historical) | Post Office | Unknown | Unknown | 1908532 | ||||||
| East Sangerville Post Office (historical) | Post Office | Unknown | Unknown | 1910054 | ||||||
| East Sebago Post Office | Post Office | Unknown | Unknown | 1912383 | ||||||
| East Sherman Post Office (historical) | Post Office | Unknown | Unknown | 1910328 | ||||||
| East Stetson Post Office (historical) | Post Office | Unknown | Unknown | 1913486 | ||||||
| East Steuben Post Office (historical) | Post Office | Unknown | Unknown | 1909153 | ||||||
| East Stoneham Post Office | Post Office | Unknown | Unknown | 1908000 | ||||||
| East Strong Post Office | Post Office | Unknown | Unknown | 1908315 | ||||||
| East Sullivan Post Office | Post Office | Unknown | Unknown | 1911555 | ||||||
| East Sumner Post Office | Post Office | Unknown | Unknown | 1908002 | ||||||
| East Surry Post Office (historical) | Post Office | Unknown | Unknown | 1911556 | ||||||
| East Trenton Post Office (historical) | Post Office | Unknown | Unknown | 1911557 | ||||||
| East Turner Post Office (historical) | Post Office | Unknown | Unknown | 1908814 | ||||||
| East Wales Post Office (historical) | Post Office | Unknown | Unknown | 1908817 | ||||||
| East Washburn Post Office (historical) | Post Office | Unknown | Unknown | 1910329 | ||||||
| East Waterboro Post Office | Post Office | N43.5706° | W70.6754° | 2768971 | View Map | |||||
| East Waterboro Post Office (historical) | Post Office | Unknown | Unknown | 1910849 | ||||||
| East Waterford Post Office (historical) | Post Office | Unknown | Unknown | 1908003 | ||||||
| East Wilton Post Office | Post Office | N44.6160° | W70.1934° | 2768973 | View Map | |||||
| East Wilton Post Office (historical) | Post Office | Unknown | Unknown | 1908316 | ||||||
| East Winn Post Office (historical) | Post Office | Unknown | Unknown | 1913488 | ||||||
| East Woolwich Post Office (historical) | Post Office | Unknown | Unknown | 1907796 | ||||||
| East Yarmouth Post Office (historical) | Post Office | Unknown | Unknown | 1912384 | ||||||
| Eastbrook Post Office (historical) | Post Office | Unknown | Unknown | 1911559 | ||||||
| Easton Post Office | Post Office | N46.6413° | W67.9122° | 1910334 | View Map | |||||
| Eastport Post Office | Post Office | N44.9059° | W66.9852° | 1909159 | View Map | |||||
| Eaton Grant Post Office (historical) | Post Office | Unknown | Unknown | 1910336 | ||||||
| Eaton Post Office (historical) | Post Office | Unknown | Unknown | 1909160 | ||||||
| Ebeemee Post Office (historical) | Post Office | Unknown | Unknown | 1910055 | ||||||
| Eddington Post Office | Post Office | N44.8080° | W68.6116° | 2768976 | View Map | |||||
| Eddington Post Office (historical) | Post Office | Unknown | Unknown | 1913493 | ||||||
| Eden Post Office (historical) | Post Office | Unknown | Unknown | 1911567 | ||||||
| Edes Falls Post Office (historical) | Post Office | Unknown | Unknown | 1912386 | ||||||
| Edgecomb Post Office | Post Office | N43.9994° | W69.6314° | 2768947 | View Map | |||||
| Edgecomb Post Office (historical) | Post Office | Unknown | Unknown | 1909783 | ||||||
| Edinburgh Post Office (historical) | Post Office | Unknown | Unknown | 1913495 | ||||||
| Eggemoggin Post Office (historical) | Post Office | Unknown | Unknown | 1911569 | ||||||
| Egypt Post Office (historical) | Post Office | Unknown | Unknown | 1911570 | ||||||
| Eliot Post Office | Post Office | N43.1284° | W70.7695° | 1910857 | View Map | |||||
| Eliot Post Office (historical) | Post Office | Unknown | Unknown | 1910856 | ||||||
| Elliottsville Post Office (historical) | Post Office | Unknown | Unknown | 1910056 | ||||||
| Ellsworth Falls Post Office | Post Office | Unknown | Unknown | 1911575 | ||||||
| Ellsworth Post Office | Post Office | N44.5420° | W68.4214° | 1911581 | View Map | |||||
| Elms Post Office (historical) | Post Office | Unknown | Unknown | 1910861 | ||||||
| Embden Centre Post Office (historical) | Post Office | Unknown | Unknown | 1908537 | ||||||
| Embden Post Office (historical) | Post Office | Unknown | Unknown | 1908536 | ||||||
| Emerys Mills Post Office | Post Office | Unknown | Unknown | 1910864 | ||||||
| Empire Post Office (historical) | Post Office | Unknown | Unknown | 1908825 | ||||||
| Enfield Post Office | Post Office | Unknown | Unknown | 1913499 | ||||||
| Epping Post Office (historical) | Post Office | Unknown | Unknown | 1909164 | ||||||
| Estes Mills Post Office (historical) | Post Office | Unknown | Unknown | 1913504 | ||||||
| Etna Center Post Office (historical) | Post Office | Unknown | Unknown | 1913505 | ||||||
| Etna Post Office | Post Office | N44.8160° | W69.1082° | 2768977 | View Map | |||||
| Etna Post Office (historical) | Post Office | Unknown | Unknown | 1913506 | ||||||
| Eustis Post Office | Post Office | N45.1970° | W70.4629° | 1908319 | View Map | |||||
| Exeter Mills Post Office (historical) | Post Office | Unknown | Unknown | 1913511 | ||||||
| Exeter Post Office | Post Office | N44.9693° | W69.1413° | 2768979 | View Map | |||||
| Exeter Post Office (historical) | Post Office | Unknown | Unknown | 1913512 | ||||||
| Fairbanks Post Office (historical) | Post Office | Unknown | Unknown | 1908321 | ||||||
| Fairfield Center Post Office (historical) | Post Office | Unknown | Unknown | 1908538 | ||||||
| Fairfield Corners Post Office (historical) | Post Office | Unknown | Unknown | 1908539 | ||||||
| Fairfield Post Office | Post Office | N44.5863° | W69.5951° | 2768980 | View Map | |||||
| Fairfield Post Office (historical) | Post Office | N44.5865° | W69.5953° | 1908542 | View Map | |||||
| Falmouth Foreside Post Office (historical) | Post Office | Unknown | Unknown | 1912399 | ||||||
| Falmouth Post Office (historical) | Post Office | Unknown | Unknown | 1912401 | ||||||
| Farmington Falls Post Office | Post Office | N44.6211° | W70.0758° | 1908324 | View Map | |||||
| Farmington Post Office | Post Office | N44.6699° | W70.1503° | 1908326 | View Map | |||||
| Feylers Corner Post Office (historical) | Post Office | Unknown | Unknown | 1909786 | ||||||
| Fishlake Post Office (historical) | Post Office | Unknown | Unknown | 1909793 | ||||||
| Fitz Mills Post Office (historical) | Post Office | Unknown | Unknown | 1913531 | ||||||
| Five Islands Post Office (historical) | Post Office | Unknown | Unknown | 1907800 | ||||||
| Flagstaff Post Office (historical) | Post Office | Unknown | Unknown | 1908548 | ||||||
| Fleming Post Office (historical) | Post Office | Unknown | Unknown | 1913532 | ||||||
| Flye Point Post Office (historical) | Post Office | Unknown | Unknown | 1911608 | ||||||
| Foreside Post Office (historical) | Post Office | Unknown | Unknown | 1910888 | ||||||
| Forest City Post Office (historical) | Post Office | Unknown | Unknown | 1909170 | ||||||
| Forest Station Post Office | Post Office | Unknown | Unknown | 1909172 | ||||||
| Fort Fairfield Post Office | Post Office | N46.7709° | W67.8295° | 1910351 | View Map | |||||
| Fort Kent Mills Post Office | Post Office | N47.2376° | W68.5784° | 1910359 | View Map | |||||
| Fort Kent Post Office | Post Office | N47.2498° | W68.5982° | 2768983 | View Map | |||||
| Fort Kent Post Office (historical) | Post Office | N47.2492° | W68.5981° | 1910361 | View Map | |||||
| Fortune Rock Post Office (historical) | Post Office | Unknown | Unknown | 1910893 | ||||||
| Frankfort Post Office | Post Office | N44.6075° | W68.8735° | 2768988 | View Map | |||||
| Franklin Post Office | Post Office | N44.5905° | W68.2207° | 1911615 | View Map | |||||
| Franklin Road Post Office (historical) | Post Office | Unknown | Unknown | 1911616 | ||||||
| Freedom Post Office | Post Office | N44.5304° | W69.2986° | 2789368 | View Map | |||||
| Freeman Post Office (historical) | Post Office | Unknown | Unknown | 1908333 | ||||||
| Freeport Post Office | Post Office | N43.8570° | W70.1017° | 1912462 | View Map | |||||
| Fremont Post Office (historical) | Post Office | Unknown | Unknown | 1910369 | ||||||
| Frenchboro Post Office | Post Office | Unknown | Unknown | 1911622 | ||||||
| Frenchville Post Office | Post Office | N47.2836° | W68.4125° | 1910370 | View Map | |||||
| Friendship Post Office | Post Office | N43.9793° | W69.3372° | 2768985 | View Map | |||||
| Friendship Post Office (historical) | Post Office | Unknown | Unknown | 1909465 | ||||||
| Frye Post Office (historical) | Post Office | Unknown | Unknown | 1908018 | ||||||
| Fryeburg Center Post Office (historical) | Post Office | Unknown | Unknown | 1908019 | ||||||
| Fryeburg Post Office | Post Office | N44.0150° | W70.9836° | 1908022 | View Map | |||||
| Fuller Post Office (historical) | Post Office | Unknown | Unknown | 1909177 | ||||||
| Garcelons Ferry Post Office (historical) | Post Office | Unknown | Unknown | 1908836 | ||||||
| Gardiner Post Office | Post Office | N44.2297° | W69.7743° | 2789363 | View Map | |||||
| Garland Post Office | Post Office | N45.0390° | W69.1592° | 1913541 | View Map | |||||
| Georgetown Post Office | Post Office | N43.8058° | W69.7570° | 1907809 | View Map | |||||
| Gerard Post Office (historical) | Post Office | Unknown | Unknown | 1908553 | ||||||
| Gerry Post Office (historical) | Post Office | Unknown | Unknown | 1913546 | ||||||
| Gilbertville Post Office (historical) | Post Office | Unknown | Unknown | 1908024 | ||||||
| Gilead Post Office (historical) | Post Office | Unknown | Unknown | 1908025 | ||||||
| Gilman Post Office (historical) | Post Office | Unknown | Unknown | 1910065 | ||||||
| Gilson Post Office (historical) | Post Office | Unknown | Unknown | 1909182 | ||||||
| Glen Cove Post Office (historical) | Post Office | Unknown | Unknown | 1909469 | ||||||
| Glenburn Post Office (historical) | Post Office | Unknown | Unknown | 1913549 | ||||||
| Glendon Post Office (historical) | Post Office | Unknown | Unknown | 1909803 | ||||||
| Glenmere Post Office | Post Office | Unknown | Unknown | 1909470 | ||||||
| Glenville Post Office (historical) | Post Office | Unknown | Unknown | 1913550 | ||||||
| Glenwood Post Office (historical) | Post Office | Unknown | Unknown | 1910377 | ||||||
| Globe Post Office (historical) | Post Office | Unknown | Unknown | 1909471 | ||||||
| Goldenridge Post Office (historical) | Post Office | Unknown | Unknown | 1910378 | ||||||
| Goodales Corner Post Office (historical) | Post Office | Unknown | Unknown | 1913552 | ||||||
| Goodrich Post Office (historical) | Post Office | Unknown | Unknown | 1910379 | ||||||
| Goodwins Mills Post Office (historical) | Post Office | Unknown | Unknown | 1910908 | ||||||
| Goose Cove Post Office (historical) | Post Office | Unknown | Unknown | 1911632 | ||||||
| Gore Post Office (historical) | Post Office | Unknown | Unknown | 1910909 | ||||||
| Gorham Post Office | Post Office | Unknown | Unknown | 1912491 | ||||||
| Gotts Island Post Office (historical) | Post Office | Unknown | Unknown | 1911634 | ||||||
| Gouldsboro Post Office | Post Office | N44.4718° | W68.0956° | 1911638 | View Map | |||||
| Grafton Post Office (historical) | Post Office | Unknown | Unknown | 1908026 | ||||||
| Grand Isle Post Office | Post Office | N47.3072° | W68.1536° | 1910383 | View Map | |||||
| Grand Lake Stream Post Office | Post Office | N45.1787° | W67.7739° | 1909184 | View Map | |||||
| Granite Post Office (historical) | Post Office | Unknown | Unknown | 1911642 | ||||||
| Grant Farm Post Office (historical) | Post Office | Unknown | Unknown | 1910066 | ||||||
| Grants Post Office | Post Office | Unknown | Unknown | 1908337 | ||||||
| Gray Post Office | Post Office | Unknown | Unknown | 1912502 | ||||||
| Great Falls Post Office | Post Office | N44.0988° | W70.2257° | 2768914 | View Map | |||||
| Great Pond Post Office | Post Office | Unknown | Unknown | 1911651 | ||||||
| Great Works Post Office | Post Office | Unknown | Unknown | 1913557 | ||||||
| Greeley Post Office (historical) | Post Office | Unknown | Unknown | 1910068 | ||||||
| Green Lake Post Office | Post Office | Unknown | Unknown | 1911653 | ||||||
| Greenbush Post Office | Post Office | N45.0902° | W68.6434° | 2789359 | View Map | |||||
| Greenbush Post Office (historical) | Post Office | Unknown | Unknown | 1913558 | ||||||
| Greene Corner Post Office (historical) | Post Office | Unknown | Unknown | 1908843 | ||||||
| Greene Post Office | Post Office | N44.1914° | W70.1420° | 1908844 | View Map | |||||
| Greenfield Post Office (historical) | Post Office | Unknown | Unknown | 1913559 | ||||||
| Greenvale Post Office (historical) | Post Office | Unknown | Unknown | 1908338 | ||||||
| Greenville Junction Post Office | Post Office | N45.4605° | W69.6134° | 1910072 | View Map | |||||
| Greenville Post Office | Post Office | N45.4604° | W69.5898° | 2789367 | View Map | |||||
| Greenville Post Office (historical) | Post Office | N45.4606° | W69.5903° | 1910073 | View Map | |||||
| Greenwood Mountain Post Office | Post Office | Unknown | Unknown | 1908028 | ||||||
| Greenwood Post Office | Post Office | N44.4012° | W70.7051° | 2768967 | View Map | |||||
| Greenwood Post Office (historical) | Post Office | Unknown | Unknown | 1908027 | ||||||
| Grimes Post Office (historical) | Post Office | Unknown | Unknown | 1910389 | ||||||
| Grindstone Post Office | Post Office | Unknown | Unknown | 1913561 | ||||||
| Griswold Post Office (historical) | Post Office | Unknown | Unknown | 1910390 | ||||||
| Grove Post Office | Post Office | Unknown | Unknown | 1909191 | ||||||
| Groveville Post Office (historical) | Post Office | Unknown | Unknown | 1910918 | ||||||
| Guerette Post Office | Post Office | Unknown | Unknown | 1910391 | ||||||
| Guilford Post Office | Post Office | N45.1668° | W69.3846° | 1910080 | View Map | |||||
| Haines Landing Post Office (historical) | Post Office | Unknown | Unknown | 1908340 | ||||||
| Haines Meadow Post Office (historical) | Post Office | Unknown | Unknown | 1910920 | ||||||
| Hale Post Office (historical) | Post Office | Unknown | Unknown | 1908030 | ||||||
| Hall Quarry Post Office | Post Office | Unknown | Unknown | 1911660 | ||||||
| Hallowell Post Office | Post Office | N44.2874° | W69.7909° | 2768930 | View Map | |||||
| Halls Mills Post Office (historical) | Post Office | Unknown | Unknown | 1909195 | ||||||
| Hamlin Post Office (historical) | Post Office | Unknown | Unknown | 1910392 | ||||||
| Hampden Center Post Office (historical) | Post Office | Unknown | Unknown | 1913567 | ||||||
| Hampden Highlands Post Office (historical) | Post Office | Unknown | Unknown | 1913569 | ||||||
| Hampden Post Office | Post Office | N44.7457° | W68.8486° | 1913572 | View Map | |||||
| Hancock Point Post Office (historical) | Post Office | Unknown | Unknown | 1911668 | ||||||
| Hancock Post Office (historical) | Post Office | Unknown | Unknown | 1911669 | ||||||
| Hanover Post Office | Post Office | N44.4994° | W70.6919° | 1908033 | View Map | |||||
| Harbor Post Office (historical) | Post Office | Unknown | Unknown | 1908034 | ||||||
| Harborside Post Office | Post Office | Unknown | Unknown | 1911677 | ||||||
| Harding Post Office (historical) | Post Office | Unknown | Unknown | 1912535 | ||||||
| Harmony Post Office | Post Office | N44.9774° | W69.5474° | 1908557 | View Map | |||||
| Harpswell Center Post Office (historical) | Post Office | Unknown | Unknown | 1912538 | ||||||
| Harpswell Post Office | Post Office | N43.7819° | W69.9992° | 1912736 | View Map | |||||
| Harrington Post Office | Post Office | N44.6194° | W67.8116° | 2768931 | View Map | |||||
| Harrington Post Office (historical) | Post Office | Unknown | Unknown | 1909198 | ||||||
| Harrison Post Office | Post Office | N44.1101° | W70.6802° | 1912547 | View Map | |||||
| Hartford Post Office (historical) | Post Office | Unknown | Unknown | 1908036 | ||||||
| Hartland Post Office | Post Office | N44.8824° | W69.4517° | 2768932 | View Map | |||||
| Hartland Post Office (historical) | Post Office | Unknown | Unknown | 1908562 | ||||||
| Harvey Post Office (historical) | Post Office | Unknown | Unknown | 1910396 | ||||||
| Hastings Post Office (historical) | Post Office | Unknown | Unknown | 1908037 | ||||||
| Haven Post Office (historical) | Post Office | Unknown | Unknown | 1911679 | ||||||
| Haymock Post Office (historical) | Post Office | Unknown | Unknown | 1910084 | ||||||
| Haywood Post Office (historical) | Post Office | Unknown | Unknown | 1910398 | ||||||
| Headtide Post Office | Post Office | Unknown | Unknown | 1909811 | ||||||
| Hebron Post Office | Post Office | N44.1979° | W70.4070° | 2768910 | View Map | |||||
| Hebron Post Office (historical) | Post Office | Unknown | Unknown | 1908043 | ||||||
| Hebron Station Post Office (historical) | Post Office | Unknown | Unknown | 1908045 | ||||||
| Hermon Center Post Office (historical) | Post Office | Unknown | Unknown | 1913585 | ||||||
| Hermon Lake Post Office (historical) | Post Office | Unknown | Unknown | 1913588 | ||||||
| Hermon Post Office (historical) | Post Office | Unknown | Unknown | 1913590 | ||||||
| Heron Island Post Office | Post Office | Unknown | Unknown | 1909817 | ||||||
| Herricks Post Office (historical) | Post Office | Unknown | Unknown | 1911684 | ||||||
| Hersey Post Office (historical) | Post Office | Unknown | Unknown | 1910399 | ||||||
| Higgins Beach Post Office (historical) | Post Office | Unknown | Unknown | 1912554 | ||||||
| Higgins Post Office (historical) | Post Office | Unknown | Unknown | 1912555 | ||||||
| Highland Lake Post Office (historical) | Post Office | Unknown | Unknown | 1912559 | ||||||
| Highland Post Office (historical) | Post Office | Unknown | Unknown | 1908564 | ||||||
| Highland Post Office (historical) | Post Office | Unknown | Unknown | 1909484 | ||||||
| Highpine Post Office (historical) | Post Office | Unknown | Unknown | 1910931 | ||||||
| Hillman Post Office (historical) | Post Office | Unknown | Unknown | 1910400 | ||||||
| Hillside Post Office | Post Office | Unknown | Unknown | 1912562 | ||||||
| Hinckley Post Office | Post Office | Unknown | Unknown | 1908566 | ||||||
| Hiram Post Office | Post Office | Unknown | Unknown | 1908050 | ||||||
| Hodgdon Post Office | Post Office | Unknown | Unknown | 1910404 | ||||||
| Holden Post Office | Post Office | N44.7401° | W68.6311° | 1913480 | View Map | |||||
| Holeb Post Office | Post Office | Unknown | Unknown | 1908569 | ||||||
| Hollis Center Post Office | Post Office | N43.6040° | W70.5927° | 1910935 | View Map | |||||
| Hollis Post Office (historical) | Post Office | Unknown | Unknown | 1910936 | ||||||
| Holts Mills Post Office (historical) | Post Office | Unknown | Unknown | 1913602 | ||||||
| Hope Post Office | Post Office | Unknown | Unknown | 1909488 | ||||||
| Houghton Post Office (historical) | Post Office | Unknown | Unknown | 1908053 | ||||||
| Houlton Post Office | Post Office | N46.1238° | W67.8401° | 1910416 | View Map | |||||
| Howard Post Office (historical) | Post Office | Unknown | Unknown | 1910085 | ||||||
| Howe Brook Post Office (historical) | Post Office | Unknown | Unknown | 1910423 | ||||||
| Howes Corner Post Office (historical) | Post Office | Unknown | Unknown | 1908858 | ||||||
| Howland Post Office | Post Office | N45.2422° | W68.6570° | 1913606 | View Map | |||||
| Hudson Post Office | Post Office | N45.0008° | W68.8833° | 1913610 | View Map | |||||
| Hudson Post Office (historical) | Post Office | Unknown | Unknown | 1913609 | ||||||
| Hulls Cove Post Office | Post Office | N44.4128° | W68.2513° | 1911690 | View Map | |||||
| Hurricane Island Post Office (historical) | Post Office | Unknown | Unknown | 1909491 | ||||||
| Iceboro Post Office (historical) | Post Office | Unknown | Unknown | 1907815 | ||||||
| Indian Point Post Office (historical) | Post Office | Unknown | Unknown | 1911696 | ||||||
| Indian River Post Office (historical) | Post Office | Unknown | Unknown | 1909213 | ||||||
| Indian Rock Post Office (historical) | Post Office | Unknown | Unknown | 1908344 | ||||||
| Industrial Park Annex Post Office | Post Office | N43.5322° | W70.4435° | 2789365 | View Map | |||||
| Intervale Post Office | Post Office | Unknown | Unknown | 1912600 | ||||||
| Island Falls Post Office | Post Office | N46.0088° | W68.2695° | 1910433 | View Map | |||||
| Isle Au Haut Post Office | Post Office | Unknown | Unknown | 1909494 | ||||||
| Isle of Springs Post Office (historical) | Post Office | Unknown | Unknown | 1909823 | ||||||
| Islesboro Post Office | Post Office | N44.2905° | W68.9082° | 2768903 | View Map | |||||
| Islesford Post Office | Post Office | N44.2618° | W68.2343° | 1911701 | View Map | |||||
| Jackman Post Office | Post Office | N45.6316° | W70.2621° | 2768904 | View Map | |||||
| Jackman Post Office (historical) | Post Office | Unknown | Unknown | 1908574 | ||||||
| Jacksonville Post Office | Post Office | Unknown | Unknown | 1909216 | ||||||
| Jacksonville Post Office (historical) | Post Office | Unknown | Unknown | 1908345 | ||||||
| Jay Post Office | Post Office | N44.4955° | W70.2047° | 1908346 | View Map | |||||
| Jefferson Post Office | Post Office | N44.2039° | W69.4630° | 2789357 | View Map | |||||
| Jefferson Post Office (historical) | Post Office | Unknown | Unknown | 1909824 | ||||||
| Jemtland Post Office (historical) | Post Office | Unknown | Unknown | 1910436 | ||||||
| Jewell Post Office (historical) | Post Office | Unknown | Unknown | 1910438 | ||||||
| Jimpond Post Office (historical) | Post Office | Unknown | Unknown | 1908349 | ||||||
| Joice Post Office (historical) | Post Office | Unknown | Unknown | 1909826 | ||||||
| Jonesboro Post Office | Post Office | N44.6591° | W67.5773° | 1909220 | View Map | |||||
| Jonesport Post Office | Post Office | N44.5315° | W67.6013° | 1909221 | View Map | |||||
| Katahdin Iron Works Post Office (historical) | Post Office | Unknown | Unknown | 1910088 | ||||||
| Keegan Post Office | Post Office | Unknown | Unknown | 1910443 | ||||||
| Keens Mills Post Office (historical) | Post Office | Unknown | Unknown | 1908865 | ||||||
| Kellyland Post Office (historical) | Post Office | Unknown | Unknown | 1909223 | ||||||
| Kenduskeag Post Office | Post Office | N44.9223° | W68.9325° | 2768907 | View Map | |||||
| Kennebunk Beach Post Office (historical) | Post Office | Unknown | Unknown | 1910953 | ||||||
| Kennebunk Landing Post Office (historical) | Post Office | Unknown | Unknown | 1910959 | ||||||
| Kennebunk Port Post Office | Post Office | Unknown | Unknown | 1910961 | ||||||
| Kennebunk Post Office | Post Office | N43.3919° | W70.5320° | 1910962 | View Map | |||||
| Kennebunkport Post Office | Post Office | N43.3629° | W70.4770° | 1910973 | View Map | |||||
| Ketchum Post Office (historical) | Post Office | N44.5033° | W70.9144° | 1908059 | View Map | |||||
| Kezar Falls Post Office | Post Office | Unknown | Unknown | 1910975 | ||||||
| Kidney Pond Post Office (historical) | Post Office | Unknown | Unknown | 1910093 | ||||||
| Kineo Post Office (historical) | Post Office | Unknown | Unknown | 1910094 | ||||||
| Kingfield Post Office | Post Office | N44.9584° | W70.1558° | 1908355 | View Map | |||||
| Kingman Post Office | Post Office | N45.5499° | W68.2010° | 1913644 | View Map | |||||
| Kings Mills Post Office (historical) | Post Office | Unknown | Unknown | 1909828 | ||||||
| Kingsbury Post Office | Post Office | Unknown | Unknown | 1910096 | ||||||
| Kittery Depot Post Office (historical) | Post Office | Unknown | Unknown | 1910976 | ||||||
| Kittery Point Post Office | Post Office | N43.0832° | W70.7032° | 1910978 | View Map | |||||
| Kittery Post Office | Post Office | N43.0902° | W70.7355° | 2768917 | View Map | |||||
| Knightsville Post Office (historical) | Post Office | Unknown | Unknown | 1912627 | ||||||
| Kokadjo Post Office (historical) | Post Office | Unknown | Unknown | 1910098 | ||||||
| Kossuth Post Office | Post Office | Unknown | Unknown | 1909227 | ||||||
| Lagrange Post Office | Post Office | N45.1662° | W68.8439° | 1913650 | View Map | |||||
| Lake Austin Post Office (historical) | Post Office | Unknown | Unknown | 1908582 | ||||||
| Lake Moxie Post Office (historical) | Post Office | Unknown | Unknown | 1908583 | ||||||
| Lake Parlin Post Office (historical) | Post Office | Unknown | Unknown | 1908584 | ||||||
| Lake View Post Office (historical) | Post Office | Unknown | Unknown | 1910101 | ||||||
| Lakewood Post Office | Post Office | Unknown | Unknown | 1908586 | ||||||
| Lakewood Post Office (historical) | Post Office | Unknown | Unknown | 1911725 | ||||||
| Lambert Lake Post Office (historical) | Post Office | Unknown | Unknown | 1909229 | ||||||
| Lamoine Beach Post Office (historical) | Post Office | Unknown | Unknown | 1911729 | ||||||
| Lamoine Post Office (historical) | Post Office | Unknown | Unknown | 1911731 | ||||||
| Larone Post Office (historical) | Post Office | Unknown | Unknown | 1908588 | ||||||
| Larrabee Post Office (historical) | Post Office | Unknown | Unknown | 1909230 | ||||||
| Lawry Post Office | Post Office | Unknown | Unknown | 1909512 | ||||||
| Lebanon Post Office | Post Office | N43.4119° | W70.8683° | 2768972 | View Map | |||||
| Lebanon Post Office (historical) | Post Office | Unknown | Unknown | 1910987 | ||||||
| Lee Post Office | Post Office | N45.3599° | W68.2829° | 1913657 | View Map | |||||
| Leeds Junction Post Office (historical) | Post Office | Unknown | Unknown | 1908873 | ||||||
| Leeds Post Office | Post Office | N44.3022° | W70.1180° | 2768909 | View Map | |||||
| Leeds Post Office (historical) | Post Office | Unknown | Unknown | 1908874 | ||||||
| Leeds Post Office (historical) | Post Office | Unknown | Unknown | 1908875 | ||||||
| Levant Post Office | Post Office | N44.8668° | W68.9296° | 1913640 | View Map | |||||
| Lewiston Junction Post Office (historical) | Post Office | Unknown | Unknown | 1908884 | ||||||
| Lewiston Post Office | Post Office | N44.0965° | W70.2156° | 1908891 | View Map | |||||
| Lexington Post Office (historical) | Post Office | Unknown | Unknown | 1908593 | ||||||
| Liberty Post Office | Post Office | N44.3919° | W69.3060° | 2768911 | View Map | |||||
| Lille Post Office (historical) | Post Office | N47.2787° | W68.1078° | 1910450 | View Map | |||||
| Lily Bay Post Office (historical) | Post Office | Unknown | Unknown | 1910103 | ||||||
| Limerick Post Office | Post Office | N43.6882° | W70.7951° | 1910990 | View Map | |||||
| Limestone Post Office | Post Office | N46.9106° | W67.8259° | 1910452 | View Map | |||||
| Limestone River Post Office (historical) | Post Office | Unknown | Unknown | 1910453 | ||||||
| Limington Post Office | Post Office | N43.7477° | W70.6801° | 1910993 | View Map | |||||
| Lincoln Center Post Office | Post Office | Unknown | Unknown | 1913665 | ||||||
| Lincoln Post Office | Post Office | N45.3663° | W68.5050° | 1913669 | View Map | |||||
| Lincoln Post Office (historical) | Post Office | Unknown | Unknown | 1909839 | ||||||
| Lincolnville Center Post Office | Post Office | N44.2939° | W69.1125° | 2789360 | View Map | |||||
| Lincolnville Post Office | Post Office | N44.2821° | W69.0090° | 2768933 | View Map | |||||
| Linekin Post Office (historical) | Post Office | Unknown | Unknown | 1909841 | ||||||
| Linneus Post Office | Post Office | Unknown | Unknown | 1910455 | ||||||
| Linwood Post Office (historical) | Post Office | Unknown | Unknown | 1909842 | ||||||
| Lisbon Center Post Office | Post Office | N44.0192° | W70.0937° | 1908894 | View Map | |||||
| Lisbon Falls Post Office | Post Office | N43.9966° | W70.0604° | 1908897 | View Map | |||||
| Lisbon Plains Post Office (historical) | Post Office | Unknown | Unknown | 1908901 | ||||||
| Lisbon Post Office (historical) | Post Office | Unknown | Unknown | 1908902 | ||||||
| Litchfield Post Office | Post Office | N44.1910° | W69.9387° | 2768953 | View Map | |||||
| Little Chebeague Post Office (historical) | Post Office | Unknown | Unknown | 1912652 | ||||||
| Little Deer Isle Post Office | Post Office | N44.2864° | W68.6972° | 1911738 | View Map | |||||
| Little John Island Post Office | Post Office | Unknown | Unknown | 1912659 | ||||||
| Littlefield Post Office (historical) | Post Office | Unknown | Unknown | 1908067 | ||||||
| Littleton Post Office (historical) | Post Office | Unknown | Unknown | 1910457 | ||||||
| Livermore Center Post Office (historical) | Post Office | Unknown | Unknown | 1908904 | ||||||
| Livermore Falls Post Office | Post Office | N44.4745° | W70.1911° | 2768957 | View Map | |||||
| Livermore Falls Post Office (historical) | Post Office | Unknown | Unknown | 1908908 | ||||||
| Livermore Post Office | Post Office | N44.3834° | W70.2497° | 2768956 | View Map | |||||
| Livermore Post Office (historical) | Post Office | Unknown | Unknown | 1908909 | ||||||
| Locke Mills Post Office | Post Office | Unknown | Unknown | 1908068 | ||||||
| Logan Post Office (historical) | Post Office | Unknown | Unknown | 1910458 | ||||||
| Lond Cove Post Office (historical) | Post Office | Unknown | Unknown | 1909521 | ||||||
| Long Beach Post Office (historical) | Post Office | Unknown | Unknown | 1910998 | ||||||
| Long Island Post Office | Post Office | N43.6891° | W70.1679° | 2768951 | View Map | |||||
| Long Island Post Office (historical) | Post Office | Unknown | Unknown | 1912662 | ||||||
| Long Pond Post Office | Post Office | Unknown | Unknown | 1908597 | ||||||
| Long Pond Post Office | Post Office | N44.2920° | W68.2503° | 1911744 | View Map | |||||
| Loon Lake Post Office (historical) | Post Office | Unknown | Unknown | 1908358 | ||||||
| Loudville Post Office | Post Office | Unknown | Unknown | 1909849 | ||||||
| Lovell Post Office | Post Office | N44.1261° | W70.8925° | 1908071 | View Map | |||||
| Lowell Post Office (historical) | Post Office | Unknown | Unknown | 1913673 | ||||||
| Lower Madawaska Post Office (historical) | Post Office | Unknown | Unknown | 1910460 | ||||||
| Lubec Mills Post Office (historical) | Post Office | Unknown | Unknown | 1909244 | ||||||
| Lubec Post Office | Post Office | N44.8588° | W66.9830° | 1909245 | View Map | |||||
| Lucerne-In-Maine Post Office (historical) | Post Office | Unknown | Unknown | 1911746 | ||||||
| Ludlow Post Office | Post Office | Unknown | Unknown | 1910461 | ||||||
| Lyman Post Office (historical) | Post Office | Unknown | Unknown | 1911004 | ||||||
| Lynchville Post Office (historical) | Post Office | Unknown | Unknown | 1908075 | ||||||
| Machias Post Office | Post Office | N44.7158° | W67.4600° | 1909250 | View Map | |||||
| Machiasport Post Office | Post Office | Unknown | Unknown | 1909255 | ||||||
| MacKamp Post Office (historical) | Post Office | Unknown | Unknown | 1908600 | ||||||
| MacMahan Post Office (historical) | Post Office | Unknown | Unknown | 1907825 | ||||||
| Macwahoc Post Office (historical) | Post Office | Unknown | Unknown | 1910464 | ||||||
| Macy Post Office (historical) | Post Office | Unknown | Unknown | 1908359 | ||||||
| Madawaska Centre Post Office (historical) | Post Office | Unknown | Unknown | 1910465 | ||||||
| Madawaska Post Office | Post Office | N47.3558° | W68.3243° | 1910470 | View Map | |||||
| Madison Center Post Office (historical) | Post Office | Unknown | Unknown | 1908602 | ||||||
| Madison Post Office | Post Office | N44.7989° | W69.8803° | 1908606 | View Map | |||||
| Madrid Post Office (historical) | Post Office | Unknown | Unknown | 1908361 | ||||||
| Mainstream Post Office (historical) | Post Office | Unknown | Unknown | 1908610 | ||||||
| Manchester Post Office | Post Office | N44.3265° | W69.8625° | 2768963 | View Map | |||||
| Manset Post Office | Post Office | Unknown | Unknown | 1911755 | ||||||
| Maple Point Post Office (historical) | Post Office | Unknown | Unknown | 1909260 | ||||||
| Maple Post Office (historical) | Post Office | Unknown | Unknown | 1910108 | ||||||
| Maplegrove Post Office (historical) | Post Office | Unknown | Unknown | 1910478 | ||||||
| Mapleton Post Office | Post Office | N46.6815° | W68.1623° | 1910480 | View Map | |||||
| Maplewood Post Office | Post Office | Unknown | Unknown | 1911010 | ||||||
| Mariaville Post Office (historical) | Post Office | Unknown | Unknown | 1911749 | ||||||
| Mariner Post Office (historical) | Post Office | Unknown | Unknown | 1912710 | ||||||
| Marion Mills Post Office (historical) | Post Office | Unknown | Unknown | 1909262 | ||||||
| Marion Post Office | Post Office | Unknown | Unknown | 1909261 | ||||||
| Marlboro Post Office (historical) | Post Office | Unknown | Unknown | 1911758 | ||||||
| Mars Hill Post Office | Post Office | Unknown | Unknown | 1910488 | ||||||
| Mars Hill Post Office | Post Office | N46.5130° | W67.8663° | 1910258 | View Map | |||||
| Marshville Post Office (historical) | Post Office | Unknown | Unknown | 1909263 | ||||||
| Marston Post Office (historical) | Post Office | Unknown | Unknown | 1909264 | ||||||
| Martin Post Office | Post Office | Unknown | Unknown | 1909532 | ||||||
| Martinsville Post Office (historical) | Post Office | Unknown | Unknown | 1909533 | ||||||
| Masardis Post Office | Post Office | N46.5037° | W68.3614° | 1910489 | View Map | |||||
| Matagamon Post Office (historical) | Post Office | Unknown | Unknown | 1913687 | ||||||
| Matinicus Post Office | Post Office | N43.8558° | W68.8971° | 1909696 | View Map | |||||
| Mattawamkeag Post Office | Post Office | N45.5175° | W68.3543° | 1913691 | View Map | |||||
| Maxfield Post Office (historical) | Post Office | Unknown | Unknown | 1913695 | ||||||
| Maxfield Post Office (historical) | Post Office | Unknown | Unknown | 1913696 | ||||||
| Mayfield Post Office (historical) | Post Office | Unknown | Unknown | 1908617 | ||||||
| Maysville Center Post Office (historical) | Post Office | Unknown | Unknown | 1910490 | ||||||
| McKinley Post Office | Post Office | Unknown | Unknown | 1911760 | ||||||
| Meadows Post Office (historical) | Post Office | Unknown | Unknown | 1908079 | ||||||
| Meadowview Post Office (historical) | Post Office | Unknown | Unknown | 1908080 | ||||||
| Mechanic Falls Post Office | Post Office | Unknown | Unknown | 1908922 | ||||||
| Meddybemps Post Office | Post Office | N45.0377° | W67.3541° | 1909267 | View Map | |||||
| Medford Center Post Office (historical) | Post Office | Unknown | Unknown | 1910114 | ||||||
| Medford Post Office | Post Office | Unknown | Unknown | 1910115 | ||||||
| Medford Post Office (historical) | Post Office | Unknown | Unknown | 1910116 | ||||||
| Medomak Post Office | Post Office | Unknown | Unknown | 1909860 | ||||||
| Meduncook Post Office (historical) | Post Office | Unknown | Unknown | 1909539 | ||||||
| Medway Post Office | Post Office | N45.6129° | W68.5393° | 1914002 | View Map | |||||
| Mercer Post Office | Post Office | Unknown | Unknown | 1908619 | ||||||
| Mere Point Post Office | Post Office | Unknown | Unknown | 1912734 | ||||||
| Mexico Post Office | Post Office | N44.5566° | W70.5431° | 1908085 | View Map | |||||
| Michaud Post Office (historical) | Post Office | Unknown | Unknown | 1910492 | ||||||
| Middledam Post Office (historical) | Post Office | Unknown | Unknown | 1908086 | ||||||
| Milbridge Post Office | Post Office | N44.5389° | W67.8808° | 1909272 | View Map | |||||
| Milford Post Office | Post Office | N44.9451° | W68.6441° | 1913705 | View Map | |||||
| Millinocket Post Office | Post Office | N45.6551° | W68.7088° | 1913711 | View Map | |||||
| Milltown Post Office (historical) | Post Office | Unknown | Unknown | 1909273 | ||||||
| Millvale Post Office (historical) | Post Office | Unknown | Unknown | 1911765 | ||||||
| Milo Junction Post Office (historical) | Post Office | Unknown | Unknown | 1910119 | ||||||
| Milo Post Office | Post Office | N45.2544° | W68.9853° | 1910120 | View Map | |||||
| Milton Plantation Post Office (historical) | Post Office | Unknown | Unknown | 1908088 | ||||||
| Milton Post Office (historical) | Post Office | Unknown | Unknown | 1910121 | ||||||
| Milton Springs Post Office (historical) | Post Office | Unknown | Unknown | 1908364 | ||||||
| Minot Post Office | Post Office | N44.0880° | W70.3298° | 1908926 | View Map | |||||
| Minturn Post Office (historical) | Post Office | Unknown | Unknown | 1911767 | ||||||
| Molunkus Post Office (historical) | Post Office | Unknown | Unknown | 1910496 | ||||||
| Monarda Post Office | Post Office | Unknown | Unknown | 1910497 | ||||||
| Monhegan Island Post Office (historical) | Post Office | Unknown | Unknown | 1909864 | ||||||
| Monhegan Post Office | Post Office | Unknown | Unknown | 1909867 | ||||||
| Monmouth Post Office | Post Office | N44.2376° | W70.0359° | 2768938 | View Map | |||||
| Monroe Post Office | Post Office | N44.6150° | W69.0240° | 2768940 | View Map | |||||
| Monsapec Post Office (historical) | Post Office | Unknown | Unknown | 1909274 | ||||||
| Monson Post Office | Post Office | N45.2861° | W69.5004° | 1910124 | View Map | |||||
| Monticello Post Office | Post Office | N46.3091° | W67.8416° | 1910498 | View Map | |||||
| Montsweag Post Office (historical) | Post Office | Unknown | Unknown | 1907834 | ||||||
| Moody Post Office | Post Office | Unknown | Unknown | 1911029 | ||||||
| Moose River Post Office | Post Office | Unknown | Unknown | 1908623 | ||||||
| Moosehead Post Office (historical) | Post Office | Unknown | Unknown | 1910128 | ||||||
| Mooselookmeguntic Post Office | Post Office | Unknown | Unknown | 1908367 | ||||||
| Moro Post Office (historical) | Post Office | Unknown | Unknown | 1910505 | ||||||
| Morrill Post Office | Post Office | N44.4470° | W69.1483° | 2768942 | View Map | |||||
| Morris Post Office (historical) | Post Office | Unknown | Unknown | 1910506 | ||||||
| Moscow Post Office (historical) | Post Office | Unknown | Unknown | 1908625 | ||||||
| Mount Desert Ferry Post Office (historical) | Post Office | Unknown | Unknown | 1911775 | ||||||
| Mount Desert Post Office | Post Office | N44.3697° | W68.3309° | 1721351 | View Map | |||||
| Mount Desert Post Office | Post Office | N44.3631° | W68.3345° | 1911782 | View Map | |||||
| Mount Kineo Post Office (historical) | Post Office | Unknown | Unknown | 1910130 | ||||||
| Mount Vernon Post Office | Post Office | N44.5011° | W69.9870° | 2768935 | View Map | |||||
| Mount Zircon Post Office (historical) | Post Office | Unknown | Unknown | 1908095 | ||||||
| Mountain Post Office (historical) | Post Office | Unknown | Unknown | 1912757 | ||||||
| Mountainview Post Office (historical) | Post Office | Unknown | Unknown | 1908476 | ||||||
| Mountainville Post Office (historical) | Post Office | Unknown | Unknown | 1911789 | ||||||
| Mouse Island Post Office (historical) | Post Office | Unknown | Unknown | 1909869 | ||||||
| Murray Post Office (historical) | Post Office | Unknown | Unknown | 1910509 | ||||||
| Muscongus Post Office (historical) | Post Office | Unknown | Unknown | 1909871 | ||||||
| Myra Post Office (historical) | Post Office | Unknown | Unknown | 1913722 | ||||||
| Myrick Post Office (historical) | Post Office | Unknown | Unknown | 1913723 | ||||||
| Naples Post Office (historical) | Post Office | Unknown | Unknown | 1912766 | ||||||
| Nashville Post Office (historical) | Post Office | Unknown | Unknown | 1908371 | ||||||
| Naskeag Post Office (historical) | Post Office | Unknown | Unknown | 1911796 | ||||||
| Nasons Mills Post Office (historical) | Post Office | Unknown | Unknown | 1911033 | ||||||
| Nealeys Corner Post Office (historical) | Post Office | Unknown | Unknown | 1913724 | ||||||
| Nelson Post Office (historical) | Post Office | Unknown | Unknown | 1910510 | ||||||
| New Casco Post Office (historical) | Post Office | Unknown | Unknown | 1912774 | ||||||
| New Gloucester Post Office | Post Office | Unknown | Unknown | 1912779 | ||||||
| New Harbor Post Office | Post Office | N43.8785° | W69.4994° | 1909875 | View Map | |||||
| New Limerick Post Office | Post Office | N46.1255° | W67.9513° | 1910514 | View Map | |||||
| New Portland Post Office | Post Office | N44.9214° | W70.0147° | 1908626 | View Map | |||||
| New Sharon Post Office | Post Office | N44.6362° | W70.0109° | 1908374 | View Map | |||||
| New Sweden Post Office | Post Office | N46.9541° | W68.0993° | 1910517 | View Map | |||||
| New Vineyard Post Office | Post Office | N44.8050° | W70.1226° | 1908375 | View Map | |||||
| Newagen Post Office | Post Office | N43.7895° | W69.6556° | 1909876 | View Map | |||||
| Newburg Center Post Office (historical) | Post Office | Unknown | Unknown | 1913730 | ||||||
| Newburg Post Office (historical) | Post Office | Unknown | Unknown | 1913731 | ||||||
| Newburg Village Post Office (historical) | Post Office | Unknown | Unknown | 1913732 | ||||||
| Newcastle Post Office | Post Office | N44.0420° | W69.5338° | 1909878 | View Map | |||||
| Newfield Post Office | Post Office | N43.6535° | W70.8526° | 1911270 | View Map | |||||
| Newhall Post Office | Post Office | Unknown | Unknown | 1912782 | ||||||
| Newport Post Office | Post Office | N44.8358° | W69.2809° | 1913737 | View Map | |||||
| Newry Post Office | Post Office | N44.4703° | W70.8321° | 2789364 | View Map | |||||
| Newry Post Office (historical) | Post Office | Unknown | Unknown | 1908099 | ||||||
| Newville Post Office (historical) | Post Office | Unknown | Unknown | 1911799 | ||||||
| Nicolin Post Office (historical) | Post Office | Unknown | Unknown | 1911800 | ||||||
| Nobleboro Post Office | Post Office | N44.0903° | W69.4716° | 1909882 | View Map | |||||
| Norcross Post Office | Post Office | Unknown | Unknown | 1913739 | ||||||
| Norridgewock Post Office | Post Office | N44.7142° | W69.7968° | 1908629 | View Map | |||||
| North Acton Post Office (historical) | Post Office | Unknown | Unknown | 1911039 | ||||||
| North Albany Post Office (historical) | Post Office | Unknown | Unknown | 1908100 | ||||||
| North Alfred Post Office (historical) | Post Office | Unknown | Unknown | 1911041 | ||||||
| North Amity Post Office | Post Office | Unknown | Unknown | 1910518 | ||||||
| North Anson Post Office | Post Office | N44.8559° | W69.8964° | 2768949 | View Map | |||||
| North Appleton Post Office (historical) | Post Office | Unknown | Unknown | 1909547 | ||||||
| North Atkinson Post Office (historical) | Post Office | Unknown | Unknown | 1910134 | ||||||
| North Auburn Post Office (historical) | Post Office | Unknown | Unknown | 1908934 | ||||||
| North Baileyville Post Office (historical) | Post Office | Unknown | Unknown | 1909285 | ||||||
| North Baldwin Post Office | Post Office | Unknown | Unknown | 1912785 | ||||||
| North Bancroft Post Office | Post Office | Unknown | Unknown | 1910519 | ||||||
| North Bangor Post Office (historical) | Post Office | Unknown | Unknown | 1913741 | ||||||
| North Bath Post Office (historical) | Post Office | Unknown | Unknown | 1907837 | ||||||
| North Berwick Post Office | Post Office | N43.3065° | W70.7352° | 2789358 | View Map | |||||
| North Bethel Post Office (historical) | Post Office | Unknown | Unknown | 1908101 | ||||||
| North Blanchard Post Office (historical) | Post Office | Unknown | Unknown | 1910135 | ||||||
| North Bluehill Post Office (historical) | Post Office | Unknown | Unknown | 1911801 | ||||||
| North Bradford Post Office (historical) | Post Office | Unknown | Unknown | 1913743 | ||||||
| North Bridgton Post Office | Post Office | N44.1020° | W70.7001° | 1912787 | View Map | |||||
| North Brooklin Post Office (historical) | Post Office | Unknown | Unknown | 1911802 | ||||||
| North Brooksville Post Office (historical) | Post Office | Unknown | Unknown | 1911803 | ||||||
| North Brownfield Post Office (historical) | Post Office | Unknown | Unknown | 1908102 | ||||||
| North Brownville Post Office (historical) | Post Office | Unknown | Unknown | 1910136 | ||||||
| North Buckfield Post Office (historical) | Post Office | Unknown | Unknown | 1908103 | ||||||
| North Bucksport Post Office (historical) | Post Office | Unknown | Unknown | 1911806 | ||||||
| North Buxton Post Office (historical) | Post Office | Unknown | Unknown | 1911044 | ||||||
| North Carmel Post Office (historical) | Post Office | Unknown | Unknown | 1913746 | ||||||
| North Castine Post Office | Post Office | Unknown | Unknown | 1911807 | ||||||
| North Chesterfield Post Office (historical) | Post Office | Unknown | Unknown | 1908379 | ||||||
| North Columbia Post Office (historical) | Post Office | Unknown | Unknown | 1909286 | ||||||
| North Corinna Post Office (historical) | Post Office | Unknown | Unknown | 1913747 | ||||||
| North Cornville Post Office (historical) | Post Office | Unknown | Unknown | 1908630 | ||||||
| North Cushing Post Office (historical) | Post Office | Unknown | Unknown | 1909548 | ||||||
| North Cutler Post Office (historical) | Post Office | Unknown | Unknown | 1909287 | ||||||
| North Deer Isle Post Office | Post Office | Unknown | Unknown | 1911808 | ||||||
| North Deering Post Office (historical) | Post Office | Unknown | Unknown | 1912793 | ||||||
| North Dexter Post Office (historical) | Post Office | Unknown | Unknown | 1913748 | ||||||
| North Dixmont Post Office (historical) | Post Office | Unknown | Unknown | 1913749 | ||||||
| North Edgecomb Post Office | Post Office | Unknown | Unknown | 1909883 | ||||||
| North Ellsworth Post Office (historical) | Post Office | Unknown | Unknown | 1911809 | ||||||
| North Fairfield Post Office | Post Office | Unknown | Unknown | 1908632 | ||||||
| North Falmouth Post Office (historical) | Post Office | Unknown | Unknown | 1912794 | ||||||
| North Farmington Post Office (historical) | Post Office | Unknown | Unknown | 1908380 | ||||||
| North Freeman Post Office (historical) | Post Office | Unknown | Unknown | 1908381 | ||||||
| North Fryeburg Post Office | Post Office | Unknown | Unknown | 1908104 | ||||||
| North Gorham Post Office (historical) | Post Office | Unknown | Unknown | 1912796 | ||||||
| North Gray Post Office (historical) | Post Office | Unknown | Unknown | 1912798 | ||||||
| North Greene Post Office (historical) | Post Office | Unknown | Unknown | 1908935 | ||||||
| North Guilford Post Office (historical) | Post Office | Unknown | Unknown | 1910137 | ||||||
| North Hampden Post Office (historical) | Post Office | Unknown | Unknown | 1913750 | ||||||
| North Harpswell Post Office (historical) | Post Office | Unknown | Unknown | 1912799 | ||||||
| North Haven Post Office | Post Office | N44.1278° | W68.8733° | 1909553 | View Map | |||||
| North Hermon Post Office (historical) | Post Office | Unknown | Unknown | 1913751 | ||||||
| North Hollis Post Office (historical) | Post Office | Unknown | Unknown | 1911046 | ||||||
| North Hope Post Office (historical) | Post Office | Unknown | Unknown | 1909555 | ||||||
| North Howland Post Office (historical) | Post Office | Unknown | Unknown | 1913752 | ||||||
| North Industry Post Office (historical) | Post Office | Unknown | Unknown | 1908382 | ||||||
| North Jay Post Office | Post Office | Unknown | Unknown | 1908384 | ||||||
| North Jefferson Post Office (historical) | Post Office | Unknown | Unknown | 1909885 | ||||||
| North Kennebunk Post Office (historical) | Post Office | Unknown | Unknown | 1911047 | ||||||
| North Kennebunkport Post Office (historical) | Post Office | Unknown | Unknown | 1911048 | ||||||
| North Lakeville Post Office (historical) | Post Office | Unknown | Unknown | 1913753 | ||||||
| North Lamoine Post Office (historical) | Post Office | Unknown | Unknown | 1911811 | ||||||
| North Lebanon Post Office (historical) | Post Office | Unknown | Unknown | 1911049 | ||||||
| North Lee Post Office (historical) | Post Office | Unknown | Unknown | 1913754 | ||||||
| North Leeds Post Office | Post Office | Unknown | Unknown | 1908936 | ||||||
| North Limington Post Office (historical) | Post Office | Unknown | Unknown | 1911051 | ||||||
| North Lincoln Post Office (historical) | Post Office | Unknown | Unknown | 1913755 | ||||||
| North Linneus Post Office (historical) | Post Office | Unknown | Unknown | 1910520 | ||||||
| North Livermore Post Office | Post Office | Unknown | Unknown | 1908938 | ||||||
| North Lubec Post Office | Post Office | Unknown | Unknown | 1909288 | ||||||
| North Lyndon Post Office (historical) | Post Office | Unknown | Unknown | 1910521 | ||||||
| North Madison Post Office (historical) | Post Office | Unknown | Unknown | 1908633 | ||||||
| North Monmouth Post Office | Post Office | N44.2759° | W70.0283° | 2768946 | View Map | |||||
| North New Portland Post Office | Post Office | Unknown | Unknown | 1908635 | ||||||
| North Newburg Post Office (historical) | Post Office | Unknown | Unknown | 1913756 | ||||||
| North Newcastle Post Office | Post Office | Unknown | Unknown | 1909886 | ||||||
| North Newport Post Office (historical) | Post Office | Unknown | Unknown | 1913757 | ||||||
| North Newry Post Office | Post Office | N44.5195° | W70.8209° | 581656 | View Map | |||||
| North Newry Post Office (historical) | Post Office | Unknown | Unknown | 1908106 | ||||||
| North Nobleboro Post Office (historical) | Post Office | Unknown | Unknown | 1909887 | ||||||
| North Norridgewock Post Office (historical) | Post Office | Unknown | Unknown | 1908636 | ||||||
| North Norway Post Office (historical) | Post Office | Unknown | Unknown | 1908107 | ||||||
| North Orland Post Office (historical) | Post Office | Unknown | Unknown | 1911812 | ||||||
| North Orrington Post Office (historical) | Post Office | Unknown | Unknown | 1913758 | ||||||
| North Paris Post Office (historical) | Post Office | Unknown | Unknown | 1908109 | ||||||
| North Parsonfield Post Office | Post Office | Unknown | Unknown | 1911053 | ||||||
| North Penobscot Post Office | Post Office | Unknown | Unknown | 1911813 | ||||||
| North Perham Post Office (historical) | Post Office | Unknown | Unknown | 1910523 | ||||||
| North Perry Post Office (historical) | Post Office | Unknown | Unknown | 1909289 | ||||||
| North Porter Post Office (historical) | Post Office | Unknown | Unknown | 1908110 | ||||||
| North Pownal Post Office (historical) | Post Office | Unknown | Unknown | 1912800 | ||||||
| North Raymond Post Office | Post Office | Unknown | Unknown | 1912802 | ||||||
| North Rumford Post Office (historical) | Post Office | Unknown | Unknown | 1908111 | ||||||
| North Scarboro Post Office (historical) | Post Office | Unknown | Unknown | 1912803 | ||||||
| North Sebago Post Office | Post Office | Unknown | Unknown | 1912805 | ||||||
| North Sedgewick Post Office (historical) | Post Office | Unknown | Unknown | 1911815 | ||||||
| North Shapleigh Post Office (historical) | Post Office | Unknown | Unknown | 1911054 | ||||||
| North Solon Post Office | Post Office | Unknown | Unknown | 1908637 | ||||||
| North Sullivan Post Office | Post Office | Unknown | Unknown | 1911816 | ||||||
| North Turner Bridge Post Office (historical) | Post Office | Unknown | Unknown | 1908939 | ||||||
| North Turner Post Office | Post Office | Unknown | Unknown | 1908940 | ||||||
| North Union Post Office (historical) | Post Office | Unknown | Unknown | 1909556 | ||||||
| North Waldoboro Post Office | Post Office | Unknown | Unknown | 1909888 | ||||||
| North Warren Post Office (historical) | Post Office | Unknown | Unknown | 1909557 | ||||||
| North Washington Post Office (historical) | Post Office | Unknown | Unknown | 1909558 | ||||||
| North Waterboro Post Office | Post Office | N43.6212° | W70.7351° | 1911056 | View Map | |||||
| North Waterford Post Office | Post Office | Unknown | Unknown | 1908114 | ||||||
| North Whitefield Post Office | Post Office | Unknown | Unknown | 1909889 | ||||||
| North Wilton Post Office (historical) | Post Office | Unknown | Unknown | 1908385 | ||||||
| North Windham Post Office | Post Office | Unknown | Unknown | 1912807 | ||||||
| North Woodstock Post Office (historical) | Post Office | Unknown | Unknown | 1908115 | ||||||
| North Woodville Post Office (historical) | Post Office | Unknown | Unknown | 1913761 | ||||||
| North Yarmouth Post Office (historical) | Post Office | N43.8565° | W70.2098° | 1912811 | View Map | |||||
| North Yarmouth Post Office (historical) | Post Office | Unknown | Unknown | 1912812 | ||||||
| North Yarmouth West Post Office (historical) | Post Office | Unknown | Unknown | 1912813 | ||||||
| Northeast Carry Post Office | Post Office | Unknown | Unknown | 1910138 | ||||||
| Northeast Harbor Post Office | Post Office | N44.2944° | W68.2892° | 2768948 | View Map | |||||
| Northeast Harbor Post Office (historical) | Post Office | N44.2948° | W68.2892° | 1911822 | View Map | |||||
| Northfield Post Office (historical) | Post Office | Unknown | Unknown | 1909290 | ||||||
| Norton Post Office (historical) | Post Office | Unknown | Unknown | 1910140 | ||||||
| Norway Center Post Office (historical) | Post Office | Unknown | Unknown | 1908118 | ||||||
| Norway Lake Post Office | Post Office | Unknown | Unknown | 1908122 | ||||||
| Norway Post Office | Post Office | N44.2133° | W70.5404° | 1908124 | View Map | |||||
| Notch Post Office (historical) | Post Office | Unknown | Unknown | 1908387 | ||||||
| Number Eleven Post Office (historical) | Post Office | Unknown | Unknown | 1910531 | ||||||
| Number One Post Office (historical) | Post Office | Unknown | Unknown | 1910532 | ||||||
| Number Six Post Office (historical) | Post Office | Unknown | Unknown | 1913762 | ||||||
| Number Two Post Office (historical) | Post Office | Unknown | Unknown | 1908640 | ||||||
| Oak Hill Station Post Office (historical) | Post Office | Unknown | Unknown | 1912817 | ||||||
| Oak Point Post Office (historical) | Post Office | Unknown | Unknown | 1911825 | ||||||
| Oakdale Post Office (historical) | Post Office | Unknown | Unknown | 1910142 | ||||||
| Oakfield Post Office | Post Office | N46.1165° | W68.1604° | 1910534 | View Map | |||||
| Oaks Post Office (historical) | Post Office | Unknown | Unknown | 1912822 | ||||||
| Ocean Park Post Office | Post Office | N43.5008° | W70.3852° | 1911065 | View Map | |||||
| Ocean Point Post Office (historical) | Post Office | Unknown | Unknown | 1909891 | ||||||
| Oceanville Post Office | Post Office | Unknown | Unknown | 1911828 | ||||||
| Ogontz Post Office (historical) | Post Office | Unknown | Unknown | 1908641 | ||||||
| Ogunquit Post Office | Post Office | N43.2473° | W70.6001° | 1911074 | View Map | |||||
| Olamon Post Office | Post Office | N45.1245° | W68.6078° | 1913766 | View Map | |||||
| Old Orchard Beach Post Office | Post Office | N43.5229° | W70.3789° | 1911081 | View Map | |||||
| Old Town Post Office | Post Office | N44.9348° | W68.6467° | 1913773 | View Map | |||||
| Onawa Post Office | Post Office | Unknown | Unknown | 1910144 | ||||||
| Oquossoc Post Office | Post Office | N44.9658° | W70.7750° | 1908389 | View Map | |||||
| Oraomo Post Office (historical) | Post Office | Unknown | Unknown | 1913777 | ||||||
| Orffs Corner Post Office (historical) | Post Office | Unknown | Unknown | 1909895 |