| First Three Digits | Last Four Digits | Town |
| 230 | 3005 | Camden |
| 230 | 3005 | Hope (Parts of) |
| 230 | 3600 | Camden |
| 238 | 8006 | Fairfield |
| 244 | 6011 | Southwest Harbor |
| 255 | 8021 | Machias |
| 270 | 4006 | Dexter |
| 321 | 2220 | Portland |
| 325 | 4209 | Limestone |
| 326 | 9245 | Castine |
| 348 | 6849 | Deer Isle |
| 351 | 4038 | York |
| 354 | 7023 | Thomaston |
| 355 | 2006 | Newport |
| 359 | 2035 | Sedgwick |
| 364 | 2343 | Rumford |
| 371 | 1023 | Bath |
| 373 | 5035 | Brunswick |
| 375 | 1010 | Sabattus |
| 376 | 0197 | Lewiston |
| 384 | 1013 | South Berwick |
| 407 | 0011 | Lisbon Falls |
| 426 | 5012 | Clinton |
| 427 | 6371 | Woodland |
| 430 | 0334 | Augusta |
| 448 | 7038 | Danforth |
| 465 | 1006 | Oakland |
| 467 | 4137 | Kennebunk |
| 475 | 1007 | Kittery |
| 483 | 2394 | Columbia |
| 487 | 4396 | Pittfield |
| 492 | 0109 | Caribou |
| 495 | 1012 | Belgrade |
| 497 | 2063 | Jonesport |
| 532 | 4720 | Houtlon and Smyrna Mills |
| 534 | 7241 | Rockwood |
| 549 | 1016 | North Whitefield |
| 562 | 5005 | Dixfield |
| 563 | 6622 | Damariscotta |
| 563 | 8999 | Damariscotta |
| 564 | 1005 | Dover-Foxcroft |
| 571 | 0810 | Biddeford |
| 588 | 4016 | Gardiner |
| 594 | 6037 | Rockland |
| 594 | 6037 | Washington (premium calling) |
| 594 | 6037 | Matinicus (premium callig plan) |
| 636 | 5038 | Sanford |
| 641 | 4009 | Wells |
| 647 | 7010 | Bridgeton |
| 658 | 4012 | West Lebanon |
| 667 | 4162 | Ellsworth |
| 668 | 4879 | Jackman |
| 669 | 7005 | Ellsworth |
| 672 | 3678 | Bingham |
| 676 | 6010 | North Berwick |
| 679 | 8005 | Pittsfield |
| 680 | 4015 | Waterville |
| 686 | 2013 | Eliot |
| 688 | 7010 | Pownal |
| 698 | 3006 | Berwick |
| 723 | 9446 | Millinockt |
| 728 | 6703 | Madawaska |
| 733 | 4579 | Lubec |
| 735 | 0772 | Bangor |
| 737 | 1011 | Richmond |
| 743 | 7510 | Norway |
| 746 | 5421 | East Millinocket |
| 760 | 5005 | Preque Isle |
| 764 | 6810 | Preque Isle |
| 779 | 5009 | Farmington |
| 785 | 6622 | Union |
| 785 | 6622 | Hope (parts of) |
| 785 | 6622 | Washington (premium calling) |
| 785 | 6622 | Liberty (premium calling) |
| 788 | 3869 | Vanceboro |
| 793 | 1005 | Limerick |
| 793 | 4895 | Limerick |
| 794 | 6391 | Lincoln |
| 829 | 7014 | Cumberland |
| 832 | 3016 | Walboboro |
| 832 | 3060 | Waldoboro |
| 839 | 1014 | Gorham |
| 847 | 2018 | Yarmouth |
| 848 | 6038 | Hermon |
| 853 | 4054 | Eastport |
| 857 | 3019 | Westbrook |
| 858 | 7008 | Skowhegan |
| 863 | 4169 | Vinalhaven |
| 864 | 2579 | Rangeley |
| 869 | 8030 | Freeport |
| 876 | 3901 | Guilford |
| 882 | 2015 | Wiscasset |
| 885 | 4014 | Scarborough |
| 894 | 6010 | Windam |
| 895 | 3455 | GrandIsle |
| 897 | 4074 | Livermore Falls |
| 924 | 6485 | Dexter |
| 930 | 4017 | Belfast |
| 930 | 4017 | Liberty (premium calling) |
| 937 | 1005 | Old Orchard Beach |
| 963 | 2648 | Winter Harbor |
| 965 | 8628 | Brownville |
| 967 | 7005 | Kennebunkport |