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