| Home Exchange Serving Telephone Company (2)  | 
			NXX | Exchanges In Economy Calling Area (4) | Exchanges In Premium Calling Area (and/or available OCPs) (5)  | 
		
|---|---|---|---|
| Acton | Acton | ||
| ACTON | 477 | Limerick | Lebanon | 
| 932 | Milton, NH | Limerick | |
| Milton Mills, NH | Milton Mills, NH | ||
| Sanbornville, NH | Milton, NH | ||
| Sanford/No. Sanford | Sanbornville, NH | ||
| Sanford/Sanford | Sanford/No. Sanford | ||
| Sanford/Sanford | |||
| West Lebanon | |||
| ALBION | 437 | Albion | Albion | 
| Unity | Unity | China | |
| Fairfield | |||
| Freedom | |||
| Newburgh | |||
| Palermo | |||
| Thorndike | |||
| Unity | |||
| Waterville | |||
| ALTON | 394 | Alton | Alton | 
| Mid-Maine | Old Town | Bangor | |
| Old Town | |||
| Old Town Rural | |||
| Bradford | |||
| Milo | |||
| West Enfield | |||
| ANDOVER | 392 | Andover | Andover | 
| Oxford West | Roxbury Pond | Roxbury Pond | |
| Rumford | |||
| Bethel | |||
| Upton | |||
| ASHLAND | 435 | Ashland | Ashland | 
| Presque Isle | Eagle Lake | ||
| Presque Isle | |||
| Washburn | |||
| ATHENS | 654 | Athens | Athens | 
| Somerset | Solon | Bingham | |
| Harmony | |||
| Hartland | |||
| Madison | |||
| Skowhegan | |||
| Solon | |||
| AUGUSTA | Augusta | Augusta | |
| 215 | 592 | Belgrade | Belgrade | 
| 242 | 620 | Gardiner | East Vassalboro | 
| 287 | 621 | North Whitefield | Gardiner | 
| 291 | 622 | Readfield | North Whitefield | 
| 430 | 623 | Sidney | Palermo | 
| 441 | 624 | West Gardiner | Readfield | 
| 446 | 626 | Winthrop | Sidney | 
| 458 | 629 | South China | |
| 462 | 835 | Waterville | |
| 485 | 918 | West Gardiner | |
| 512 | Winthrop | ||
| 557 | |||
| AURORA | 584 | Aurora | Aurora | 
| Union River | Beddington | Bangor | |
| Otis | Beddington | ||
| Brewer | |||
| Eddington | |||
| Ellsworth | |||
| Franklin | |||
| Old Town | |||
| Otis | |||
| Sullivan | |||
| (no additional exchanges added) | |||
| BANGOR (includes BREWER) | Bangor | Alton | |
| 249 | 941 | Aurora | |
| 262 | 942 | Bangor | |
| 299 | 944 | Bradford | |
| 356 | 945 | Bucksport | |
| 433 | 947 | Corinth | |
| 478 | 949 | Eddington | |
| 561 | 973 | Etna | |
| 659 | 974 | Exeter | |
| 735 | 989 | Hampden | |
| 745 | 990 | Hermon | |
| 849 | 991 | Levant | |
| 852 | 992 | Newburgh | |
| 917 | Old Town | ||
| Old Town Rural | |||
| Orono | |||
| Orrington | |||
| Otis | |||
| Stetson | |||
| Winterport | |||
| BAR HARBOR | 288 | Bar Harbor | Bar Harbor | 
| Ellsworth | Ellsworth | ||
| Northeast Harbor | Northeast Harbor | ||
| Southwest Harbor | Southwest Harbor | ||
| BAR MILLS | 929 | Bar Mills | Bar Mills | 
| Saco River | Waterboro | Biddeford | |
| West Buxton | Goodwins Mills | ||
| Gorham | |||
| Scarborough | |||
| Waterboro | |||
| West Buxton | |||
| Portland | |||
| 331 | |||
| BATH | 371 | Bath | Bath | 
| 386 | Bath/Georgetown | Bath/Georgetown | |
| 389 | Bath/Phippsburg | Bath/Phippsburg | |
| 442 | Brunswick | Bowdoinham | |
| 443 | Wiscasset | Brunswick | |
| Richmond | |||
| Wiscasset | |||
| BEDDINGTON | 638 | Beddington | Beddington | 
| Union River | Aurora | Aurora | |
| Columbia | |||
| Franklin | |||
| Machias | |||
| Millbridge | |||
| Otis | |||
| BELFAST | 218 | Belfast | Belfast | 
| 250 | Monroe | Brooks | |
| 322 | Searsport | Liberty | |
| 323 | Lincolnville/Lincolnville Beach | ||
| 338 | Monroe | ||
| 930 | Morrill | ||
| Searsport | |||
| Stockton Springs | |||
| Winterport | |||
| BELGRADE | 495 | Belgrade | Belgrade | 
| Augusta | Augusta | ||
| Oakland | Mt. Vernon | ||
| Oakland | |||
| Readfield | |||
| Rome | |||
| Sidney | |||
| BERWICK | 421 | Berwick | Berwick | 
| 698 | Rochester, NH | Dover, NH | |
| Somersworth, NH | Eliot | ||
| South Berwick | Lebanon | ||
| South Lebanon | North Berwick | ||
| Rochester, NH | |||
| Somersworth, NH | |||
| South Berwick | |||
| South Lebanon | |||
| BETHEL | 824 | Bethel | Bethel | 
| Oxford West | Locke Mills | Andover | |
| West Bethel | Bryant Pond | ||
| Locke Mills | |||
| Harrison | |||
| Rumford | |||
| North Lovell | |||
| North Norway | |||
| Upton | |||
| West Bethel | |||
| 286 | |||
| BIDDEFORD | 294 | Biddeford | Biddeford | 
| 205 | 391 | Goodwin's Mills | Bar Mills | 
| 229 | 423 | Kennebunk | Goodwin's Mills | 
| 281 | 468 | Kennebunkport | Kennebunk | 
| 282 | 571 | Old Orchard Beach | Kennebunkport | 
| 283 | 590 | Old Orchard Beach | |
| 284 | 915 | Scarborough | |
| BIGELOW | 237 | Bigelow | Bigelow | 
| Somerset | Carrabassett | Carrabassett | |
| Kingfield | Kingfield | ||
| Moosehorn | Moosehorn | ||
| Stratton | Stratton | ||
| BINGHAM | 672 | Bingham | Bingham | 
| 682 | The Forks | Athens | |
| Solon | |||
| The Forks | |||
| BLUE HILL | 245 | Blue Hill | Blue Hill | 
| 374 | Castine | Castine | |
| Ellsworth | Ellsworth | ||
| Sedgwick | Sedgwick | ||
| 350 | Boothbay Harbor | Boothbay Harbor | |
| BOOTHBAY HARBOR | 633 | Wiscasset | Damariscotta | 
| Wiscasset | |||
| BOWDOINHAM | 666 | Bowdoinham | Bowdoinham | 
| Brunswick | Bath | ||
| Lisbon Falls | Brunswick | ||
| Richmond | Lisbon Falls | ||
| Litchfield | |||
| Richmond | |||
| BRADFORD | 327 | Bradford | Bradford | 
| Bangor | Alton | ||
| Corinth | Bangor | ||
| Corinth | |||
| Dover Foxcroft | |||
| Levant | |||
| Milo | |||
| Old Town | |||
| BREMEN | 529 | Bremen | Bremen | 
| Tidewater | Damariscotta | Damariscotta | |
| New Harbor | New Harbor | ||
| Sheepscot | Sheepscot | ||
| South Bristol | South Bristol | ||
| Waldoboro | |||
| BRIDGTON | 572 | Bridgton | Bridgton | 
| 647 | Harrison | Harrison | |
| Casco | |||
| Denmark | |||
| Fryeburg | |||
| Lovell | |||
| Naples | |||
| Raymond | |||
| Sebago | |||
| BROOKS | 722 | Brooks | Brooks | 
| Northland | Belfast | ||
| Freedom | |||
| Monroe | |||
| Morrill | |||
| Newburgh | |||
| Thorndike | |||
| BROWNVILLE | 279 | Brownville | Brownville | 
| 385 | Milo | Dover Foxcroft | |
| 965 | Milo | ||
| Monson | |||
| BRUNSWICK | 373 | Brunswick | Brunswick | 
| 720 | Bath/Bath | Bath/Bath | |
| 721 | Bath/Georgetown | Bath/Georgetown | |
| 725 | Bath/Phippsburg | Bath/Phippsburg | |
| 729 | Bowdoinham | Bowdoinham | |
| 798 | Freeport | Freeport | |
| 921 | Harpswell | Harpswell | |
| Lisbon Falls | Lisbon Falls | ||
| BRYANT POND | 665 | Bryant Pond | Bryant Pond | 
| Oxford | West Paris | Bethel | |
| Dixfield | |||
| Locke Mills | |||
| Rumford | |||
| Sumner | |||
| West Paris | |||
| BUCKFIELD | 336 | Buckfield | Buckfield | 
| Oxford | North Turner | Canton | |
| Sumner | Hebron | ||
| Turner | Lewiston | ||
| West Paris | North Turner | ||
| Norway | |||
| Sumner | |||
| Turner | |||
| West Paris | |||
| BUCKSPORT | 469 | Bucksport | Bucksport | 
| Bangor | Bangor | ||
| Orrington | Castine | ||
| Eddington | |||
| Ellsworth | |||
| Orrington | |||
| Stockton Springs | |||
| Winterport | |||
| CALAIS | 214 | Calais | Calais | 
| 454 | St. Stephens, NB | Eastport | |
| 952 | Woodland | Pembroke | |
| Princeton | |||
| St. Stephen, NB | |||
| Woodland | |||
| CAMDEN | 230 | Camden | Camden | 
| 236 | Lincolnville Beach | Dark Harbor | |
| 315 | Lincolnville | Lincolnville Beach | |
| 470 | Rockland | Lincolnville | |
| 706 | Rockland | ||
| Union | |||
| Warren | |||
| CANTON | 597 | Canton | Canton | 
| Oxford | North Turner | Buckfield | |
| Sumner | Dixfield | ||
| Buckfield | Livermore Falls | ||
| Turner | North Turner | ||
| West Paris | Sumner | ||
| Turner | |||
| West Paris | |||
| Wilton | |||
| CARIBOU | 492 | Caribou | Caribou | 
| 493 | Fort Fairfield | Fort Fairfield | |
| 496 | Limestone | Limestone | |
| 498 | New Sweden | New Sweden | |
| 656 | Presque Isle | Presque Isle | |
| Washburn | Van Buren | ||
| Washburn | |||
| CARRABASSETT | 235 | Carrabassett | Carrabassett | 
| Somerset | Bigelow | Bigelow | |
| Kingfield | Kingfield | ||
| Moosehorn | Moosehorn | ||
| Stratton | North New Portland | ||
| Stratton | |||
| CASCO | 627 | Casco | Casco | 
| Maine Tel | Naples | Bridgton | |
| Poland | Harrison | ||
| Raymond | Naples | ||
| Oxford | |||
| Poland | |||
| Sebago | |||
| Raymond | |||
| CASTINE | 326 | Castine | Castine | 
| Blue Hill | Blue Hill | ||
| Ellsworth | |||
| Bucksport | |||
| Sedgwick | |||
| CHINA | 968 | China | China | 
| China | East Vassalboro | Albion | |
| South China | East Vassalboro | ||
| Palermo | |||
| South China | |||
| Waterville | |||
| CLINTON | 426 | Clinton | Clinton | 
| Fairfield | Fairfield | ||
| Waterville | |||
| Skowhegan | |||
| Pittsfield | |||
| Unity | |||
| COBURN GORE | 297 | Coburn Gore | Coburn Gore | 
| Somerset | Moosehorn | Moosehorn | |
| Stratton | Stratton | ||
| Woburn, PQ | Woburn, PQ | ||
| COLUMBIA | 483 | Columbia | Columbia | 
| 598 | Jonesport | Beddington | |
| 904 | Milbridge | Jonesboro | |
| 961 | Jonesport | ||
| Machias | |||
| Milbridge | |||
| CORINNA | 278 | Corinna | Corinna | 
| West Penobscot | Exeter | Dexter | |
| Stetson | Exeter | ||
| Hartland | |||
| Newport | |||
| Stetson | |||
| CORINTH | 285 | Corinth | Corinth | 
| Bradford | Bangor | ||
| Bradford | |||
| Dexter | |||
| Dover Foxcroft | |||
| Levant | |||
| Exeter | |||
| CORNISH | 531 | Cornish | Cornish | 
| 625 | Limerick | Denmark | |
| Fryeburg | |||
| Limerick | |||
| Limington | |||
| Sebago | |||
| Steep Falls | |||
| CUMBERLAND | 829 | Cumberland | Cumberland | 
| Portland | Gray | ||
| Yarmouth | Portland | ||
| Pownal | |||
| West Gray | |||
| Windham | |||
| Yarmouth | |||
| DAMARISCOTTA | 563 | Damariscotta | Damariscotta | 
| Tidewater | Bremen | Boothbay Harbor | |
| New Harbor | Bremen | ||
| Sheepscot | New Harbor | ||
| South Bristol | North Whitefield | ||
| Sheepscot | |||
| South Bristol | |||
| Waldoboro | |||
| Wiscasset | |||
| DANFORTH | 370 | Danforth | Danforth | 
| 448 | Wytopitlock | Wytopitlock | |
| Houlton | |||
| Princeton | |||
| DARK HARBOR | 734 | Dark Harbor | Dark Harbor | 
| Camden | |||
| DEER ISLE/STONINGTON | 348 | Deer Isle/Stonington | Deer Isle/Stonington | 
| 367 | Sedgwick | ||
| 481 | Frenchboro | ||
| Isle Au Haut | |||
| Matinicus | |||
| Swans Island | |||
| (OCP: Castine,Blue Hill, Ellsworth) | |||
| DENMARK | 452 | Denmark | Denmark | 
| Standish | Bridgton | ||
| Cornish | |||
| Fryeburg | |||
| Sebago | |||
| DEXTER | 270 | Dexter | Dexter | 
| 924 | Guilford | Corinna | |
| Corinth | |||
| Dover Foxcroft | |||
| Exeter | |||
| Guilford | |||
| Hartland | |||
| West Ripley | |||
| DIXFIELD | 562 | Dixfield | Dixfield | 
| Rumford | Bryant Pond | ||
| Canton | |||
| Rumford | |||
| Sumner | |||
| Weld | |||
| Wilton | |||
| DOVER-FOXCROFT | 564 | Dover-Foxcroft | Dover-Foxcroft | 
| Guilford | Bradford | ||
| Brownville | |||
| Corinth | |||
| Dexter | |||
| Guilford | |||
| Milo | |||
| Monson | |||
| EAGLE LAKE | 444 | Eagle Lake | Eagle Lake | 
| Northland | Clair, NB | Ashland (3/20/04) | |
| Fort Kent | Clair, NB | ||
| St. Francis | Fort Kent | ||
| St. Francis | |||
| EAST MILLINOCKET | 746 | East Millinocket | East Millinocket | 
| 898 | Millinocket | Lincoln | |
| Millinocket | |||
| Mattawamkeag | |||
| EAST VASSALBORO | 923 | East Vassalboro | East Vassalboro | 
| China | China | Augusta | |
| South China | China | ||
| South China | |||
| Waterville | |||
| EASTON | 488 | Easton | Easton | 
| Fort Fairfield | Fort Fairfield | ||
| Mars Hill | Mars Hill | ||
| Presque Isle | Presque Isle | ||
| EASTPORT | Eastport | Eastport | |
| 349 | Pembroke | Pembroke | |
| 853 | Calais | ||
| (OCP: Lubec) | |||
| EDDINGTON | 843 | Eddington | Eddington | 
| Bangor | Aurora | ||
| Bangor | |||
| Bucksport | |||
| Ellsworth | |||
| Old Town | |||
| Orono | |||
| Otis | |||
| ELIOT/DOVER, NH | 748 | Eliot/Dover, NH | Eliot/Dover, NH | 
| Dover, NH | Barrington, NH | ||
| Kittery | Berwick | ||
| South Berwick | Dover, NH | ||
| Durham, NH | |||
| Kittery | |||
| Newmarket, NH | |||
| Rochester, NH | |||
| Somersworth, NH | |||
| South Berwick | |||
| South Lebanon | |||
| ELLSWORTH | 266 | Ellsworth | Ellsworth | 
| 460 | Bar Harbor | Aurora | |
| 479 | Blue Hill | Bar Harbor | |
| 664 | Southwest Harbor | Blue Hill | |
| 667 | Sullivan | Bucksport | |
| 669 | Castine | ||
| Eddington | |||
| Franklin | |||
| Northeast Harbor | |||
| Otis | |||
| Southwest Harbor | |||
| Sullivan | |||
| Frenchboro | |||
| Isle Au Haut | |||
| Matinicus | |||
| Swans Island | |||
| EMBDEN LAKE | 566 | Embden Lake | Embden Lake | 
| Somerset | North Anson | Madison | |
| North New Portland | North Anson | ||
| Solon | North New Portland | ||
| Skowhegan | |||
| Solon | |||
| ETNA | 269 | Etna | Etna | 
| Hampden | Bangor | ||
| Hermon | |||
| Newburg | |||
| Newport | |||
| Plymouth | |||
| Stetson | |||
| EXETER | 379 | Exeter | Exeter | 
| W. Penobscot | Corinna | Bangor | |
| Stetson | Corinna | ||
| Corinth | |||
| Dexter | |||
| Levant | |||
| Stetson | |||
| FAIRFIELD | 238 | Fairfield | Fairfield | 
| 453 | Clinton | Albion | |
| Oakland | Clinton | ||
| Waterville | Norridgewock | ||
| Oakland | |||
| Skowhegan | |||
| Unity | |||
| Waterville | |||
| FARMINGTON | 491 | Farmington | Farmington | 
| 578 | Wilton | Livermore Falls | |
| 778 | Madison | ||
| 779 | Mercer | ||
| Mt. Vernon | |||
| New Vineyard | |||
| Rome | |||
| Strong | |||
| Weld | |||
| Wilton | |||
| FORT FAIRFIELD | 472 | Fort Fairfield | Fort Fairfield | 
| 473 | Caribou | Caribou | |
| 476 | Easton | Easton | |
| Limestone | Limestone | ||
| Presque Isle | Presque Isle | ||
| FORT KENT | 834 | Fort Kent | Fort Kent | 
| Northland | Clair, NB | Clair, NB | |
| Eagle Lake | Eagle Lake | ||
| St. Francis | St. Francis | ||
| Frenchville | |||
| New Sweden | |||
| FRANKLIN | 565 | Franklin | Franklin | 
| Sullivan | Aurora | ||
| Beddington | |||
| Ellsworth | |||
| Sullivan | |||
| FREEDOM | 382 | Freedom | Freedom | 
| Northland | Albion | ||
| Brooks | |||
| Liberty | |||
| Morrill | |||
| Palermo | |||
| Thorndike | |||
| Unity | |||
| FREEPORT | 865 | Freeport | Freeport | 
| 869 | Brunswick | Brunswick | |
| 891 | Pownal | Lisbon Falls | |
| Yarmouth | Portland | ||
| Pownal | |||
| Yarmouth | |||
| FRENCHBORO | 334 | Frenchboro | Frenchboro | 
| Island | Isle Au Haut | Isle Au Haut | |
| Matinicus | Matinicus | ||
| Swans Island | Swans Island | ||
| Deer Isle/Stonington | |||
| Ellsworth | |||
| Rockland | |||
| Southwest Harbor | |||
| FRENCHVILLE | 543 | Frenchville | Frenchville | 
| Madawaska | Madawaska | ||
| Grand Isle | |||
| Fort Kent | |||
| FRYEBURG | 935 | Chatham, NH | Fryeburg | 
| Northland | Fryeburg | Bridgton | |
| Lovell | Chatham, NH | ||
| North Fryeburg | Cornish | ||
| North Lovell | Denmark | ||
| Lovell | |||
| North Fryeburg | |||
| North Lovell | |||
| GARDINER | 582 | Gardiner | Gardiner | 
| 588 | Augusta | Augusta | |
| Richmond | Litchfield | ||
| West Gardiner | North Whitefield | ||
| Richmond | |||
| West Gardiner | |||
| GOODWIN'S MILLS | 499 | Goodwin's Mills | Goodwin's Mills | 
| Biddeford | Bar Mills | ||
| Biddeford | |||
| Kennebunk | |||
| Sanford | |||
| Waterboro | |||
| GORHAM | 222 | Gorham | Gorham | 
| 839 | Portland | Bar Mills | |
| Scarborough | Portland | ||
| Westbrook | Scarborough | ||
| Windham | Standish | ||
| West Buxton | |||
| Westbrook | |||
| Windham | |||
| GRAND ISLE | 330 | Grand Isle | Grand Isle | 
| 895 | Madawaska | Frenchville | |
| Van Buren | Madawaska | ||
| Van Buren | |||
| GRAY | 440 | Gray | Gray | 
| Pine Tree | 657 | New Gloucester | Cumberland | 
| West Gray | New Gloucester | ||
| Poland | |||
| Portland | |||
| Pownal | |||
| Raymond | |||
| West Gray | |||
| Windham | |||
| Yarmouth | |||
| GREENE | 946 | Greene | Greene | 
| Community Service | Leeds | Leeds | |
| Lewiston | Lewiston | ||
| Monmouth | Litchfield | ||
| Monmouth | |||
| Sabattus | |||
| Turner | |||
| Winthrop | |||
| GREENVILLE | 280 | Greenville | Greenville | 
| 695 | Rockwood | Monson | |
| 880 | Rockwood | ||
| GUILFORD | 274 | Guilford | Guilford | 
| 343 | Dexter | Dexter | |
| 717 | Dover-Foxcroft | Dover-Foxcroft | |
| 876 | Monson | Monson | |
| Harmony | |||
| West Ripley | |||
| HAMPDEN | 862 | Hampden | Hampden | 
| Hampden | Bangor | Bangor | |
| Hermon | |||
| Newburg | |||
| Orrington | |||
| Winterport | |||
| HARMONY | 683 | Harmony | Harmony | 
| Hartland | Hartland | Athens | |
| West Ripley | Guilford | ||
| Hartland | |||
| West Ripley | |||
| HARPSWELL | 833 | Harpswell | Harpswell | 
| Brunswick | Brunswick | ||
| HARRISON | 583 | Harrison | Harrison | 
| 595 | Bridgton | Bethel | |
| Norway | Bridgton | ||
| Casco | |||
| Lovell | |||
| Naples | |||
| North Lovell | |||
| North Norway | |||
| Norway | |||
| Oxford | |||
| HARTLAND | 938 | Hartland | Hartland | 
| Hartland | Harmony | Athens | |
| West Ripley | Corinna | ||
| Dexter | |||
| Harmony | |||
| Newport | |||
| Pittsfield | |||
| Skowhegan | |||
| West Ripley | |||
| HEBRON | 966 | Hebron | Hebron | 
| Oxford West | Buckfield | ||
| Lewiston | |||
| Mechanic Falls | |||
| Norway | |||
| Oxford | |||
| Turner | |||
| HERMON | 848 | Hermon | Hermon | 
| Bangor | Bangor | ||
| Etna | |||
| Hampden | |||
| Levant | |||
| Newburgh | |||
| Stetson | |||
| HOULTON | 521 | Houlton | Houlton | 
| 532 | Smyrna Mills | ||
| 538 | Danforth | ||
| 660 | Mars Hill | ||
| 694 | Island Falls | ||
| ISLAND FALLS | 463 | Island Falls | Island Falls | 
| Northland | Patten | Patten | |
| Sherman Mills | Sherman Mills | ||
| Smyrna Mills | Smyrna Mills | ||
| Houlton | |||
| ISLE AU HAUT | 335 | Isle Au Haut | Isle Au Haut | 
| Island | Frenchboro | Frenchboro | |
| Matinicus | Matinicus | ||
| Swans Island | Swans Island | ||
| Deer Isle/Stonington | |||
| Ellsworth | |||
| Rockland | |||
| Southwest Harbor | |||
| 241 | Jackman | Jackman | |
| JACKMAN | 668 | The Forks | |
| JONESBORO | 434 | Jonesboro | Jonesboro | 
| West Penobscot | Columbia | ||
| Jonesport | |||
| Machias | |||
| JONESPORT | 497 | Jonesport | Jonesport | 
| Columbia | Columbia | ||
| Jonesboro | |||
| KENNEBUNK | 467 | Kennebunk | Biddeford | 
| 985 | Biddeford | Goodwin's Mills | |
| Kennebunkport | Kennebunk | ||
| Wells | Kennebunkport | ||
| Sanford | |||
| Wells | |||
| KENNEBUNKPORT | Kennebunkport | Kennebunkport | |
| 967 | Biddeford | Biddeford | |
| Kennebunk | Kennebunk | ||
| KINGFIELD | 265 | Kingfield | Kingfield | 
| Somerset | Bigelow | Bigelow | |
| Carrabassett | Carrabassett | ||
| Moosehorn | Moosehorn | ||
| North New Portland | North New Portland | ||
| Salem | Salem | ||
| Stratton | Stratton | ||
| KINGMAN | 765 | Kingman | Kingman | 
| Northland | Lee | Lee | |
| Mattawamkeag | Lincoln | ||
| Mattawamkeag | |||
| Sherman Mills | |||
| Wytopitlock | |||
| KITTERY | 438 | Kittery | Kittery | 
| 439 | Eliot | Eliot | |
| 451 | Portsmouth, NH | Portsmouth, NH | |
| 475 | York | South Berwick | |
| 752 | Rye Beach, NH | Rye Beach, NH | |
| 927 | York | ||
| LEBANON | 457 | Lebanon | Lebanon | 
| North Berwick | Acton | ||
| Sanford | Berwick | ||
| North Berwick | |||
| Sanford | |||
| South Lebanon | |||
| West Lebanon | |||
| LEE | 738 | Lee | Lee | 
| Northland | Kingman | Kingman | |
| Mattawamkeag | Lincoln | ||
| Mattawamkeag | |||
| West Enfield | |||
| LEEDS | 524 | Leeds | Leeds | 
| Community Service | Greene | Greene | |
| Monmouth | Lewiston | ||
| Litchfield | |||
| Livermore Falls | |||
| Monmouth | |||
| Readfield | |||
| Turner | |||
| Winthrop | |||
| LEVANT | 884 | Levant | Levant | 
| Mid Maine | Bangor | Bangor | |
| Bradford | |||
| Corinth | |||
| Exeter | |||
| Hermon | |||
| Stetson | |||
| LEWISTON (Auburn) | 753 | Lewiston | Lewiston | 
| 212 | 754 | Greene | Buckfield | 
| 240 | 755 | Lisbon Falls | Greene | 
| 344 | 777 | Mechanic Falls | Hebron | 
| 376 | 782 | Poland | Leeds | 
| 514 | 783 | Sabattus | Lisbon Falls | 
| 544 | 784 | Mechanic Falls | |
| 576 | 786 | New Gloucester | |
| 577 | 795 | North Turner | |
| 689 | 916 | Poland | |
| 740 | Sabattus | ||
| Turner | |||
| LIBERTY | 589 | Liberty | Liberty | 
| Northland | Belfast | ||
| Freedom | |||
| Morrill | |||
| Palermo | |||
| Union | |||
| Washington | |||
| LIMERICK | 793 | Limerick | Limerick | 
| Acton | Acton | ||
| Cornish | Cornish | ||
| Sanford | Sanford | ||
| Limington | |||
| Waterboro | |||
| LIMESTONE | 325 | Limestone | Limestone | 
| 328 | Caribou | Caribou | |
| Loring | 999 | Fort Fairfield | Fort Fairfield | 
| Van Buren | |||
| LIMINGTON | 637 | Limington | Limington | 
| Standish | Steep Falls | Cornish | |
| Standish | Limerick | ||
| Sebago | |||
| Standish | |||
| Steep Falls | |||
| Waterboro | |||
| West Buxton | |||
| LINCOLN | 794 | Lincoln | Lincoln | 
| East Millinocket | |||
| Kingman | |||
| Lee | |||
| Mattawamkeag | |||
| West Enfield | |||
| LINCOLNVILLE (BEACH) | 763 | Lincolnville Beach | Lincolnville Beach | 
| Lincolnville | 789 | Camden | Belfast | 
| Lincolnville | Camden | ||
| Lincolnville | |||
| Morrill | |||
| Union | |||
| LISBON FALLS | 353 | Lisbon Falls | Lisbon Falls | 
| Bowdoinham | Bowdoinham | ||
| Brunswick | Brunswick | ||
| Lewiston | Freeport | ||
| Lewiston | |||
| Litchfield | |||
| New Gloucester | |||
| Pownal | |||
| Sabattus | |||
| LITCHFIELD | 268 | Litchfield | Litchfield | 
| Community Service | Monmouth | Bowdoinham | |
| Gardiner | |||
| Greene | |||
| Leeds | |||
| Lisbon Falls | |||
| Monmouth | |||
| Richmond | |||
| Sabattus | |||
| West Gardiner | |||
| Winthrop | |||
| (OCP: Lewiston) | |||
| LIVERMORE FALLS | 897 | Livermore Falls | Livermore Falls | 
| Readfield | Canton | ||
| Wilton | Farmington | ||
| Leeds | |||
| Mt. Vernon | |||
| Readfield | |||
| Turner | |||
| Wilton | |||
| LOCKE MILLS | 875 | Locke Mills | Locke Mills | 
| Oxford West | Bethel | Bethel | |
| Bryant Pond | Bryant Pond | ||
| West Bethel | North Norway | ||
| Rumford | |||
| West Bethel | |||
| West Paris | |||
| LOVELL | 925 | Lovell | Lovell | 
| Northland | Fryeburg | Bridgton | |
| North Fryeburg | Chatham, NH | ||
| North Lovell | East Conway, NH | ||
| Fryeburg | |||
| Harrison | |||
| North Fryeburg | |||
| North Lovell | |||
| LUBEC | 556 | Lubec | Lubec | 
| 733 | Campobello, N.B. | Campobello, N.B. | |
| Machias | |||
| Pembroke | |||
| (OCP: Eastport) | |||
| 255 | |||
| MACHIAS | 259 | Machias | Machias | 
| 263 | Beddington | ||
| 271 | Columbia | ||
| 922 | Jonesboro | ||
| Lubec | |||
| Pembroke | |||
| (OCP: Calais, Jonesport) | |||
| MADAWASKA | 316 | Madawaska | Madawaska | 
| 436 | Edmundston, NB | Edmundston, NB | |
| 728 | Frenchville | Frenchville | |
| 954 | Grand Isle | Grand Isle | |
| MADISON | 358 | Madison | Madison | 
| 696 | North Anson | Athens | |
| Skowhegan | Embden Lake | ||
| Farmington | |||
| Mercer | |||
| New Vineyard | |||
| Norridgewock | |||
| North Anson | |||
| North New Portland | |||
| Skowhegan | |||
| Solon | |||
| MARS HILL | 425 | Mars Hill | Mars Hill | 
| 429 | Easton | Easton | |
| Presque Isle | Presque Isle | ||
| Houlton | |||
| MATINICUS ISLAND | 366 | Matinicus Island | Matinicus Island | 
| Island | Frenchboro | Frenchboro | |
| Isle Au Haut | Isle Au Haut | ||
| Swans Island | Swans Island | ||
| Deer Isle/Stonington | |||
| Ellsworth | |||
| Rockland | |||
| Southwest Harbor | |||
| MATTAWAMKEAG | 736 | Mattawamkeag | Mattawamkeag | 
| Northland | Kingman | Kingman | |
| Lee | Lee | ||
| Lincoln | |||
| East Millinocket | |||
| MECHANIC FALLS | 345 | Mechanic Falls | Mechanic Falls | 
| 346 | Lewiston | Lewiston | |
| Oxford | |||
| Hebron | |||
| Poland | |||
| MERCER | 587 | Mercer | Mercer | 
| Somerset | Norridgewock | Farmington | |
| Rome | Madison | ||
| Smithfield | Norridgewock | ||
| Rome | |||
| Smithfield | |||
| MILBRIDGE | 546 | Milbridge | Milbridge | 
| Columbia | Columbia | ||
| Winter Harbor | |||
| Beddington | |||
| 447 | |||
| MILLINOCKET | 723 | Millinocket | Millinocket | 
| 731 | East Millinocket | East Millinocket | |
| MILO | 943 | Milo | Milo | 
| Brownville | Alton | ||
| Bradford | |||
| Brownville | |||
| Dover Foxcroft | |||
| West Enfield | |||
| MONMOUTH | 933 | Monmouth | Monmouth | 
| Community Service | East Winthrop | Greene | |
| Greene | Leeds | ||
| Leeds | Lewiston | ||
| Litchfield | Litchfield | ||
| Winthrop | Readfield | ||
| Sabattus | |||
| Winthrop | |||
| MONROE | 525 | Monroe | Monroe | 
| Belfast | Belfast | ||
| Brooks | |||
| Newburgh | |||
| Winterport | |||
| MONSON | 997 | Monson | Monson | 
| Guilford | Guilford | ||
| Brownville | |||
| Dover Foxcroft | |||
| Greenville | |||
| MOOSEHORN | |||
| Somerset | 243 | Moosehorn | Moosehorn | 
| Bigelow | Bigelow | ||
| Carrabassett | Carrabassett | ||
| Kingfield | Kingfield | ||
| North New Portland | |||
| Rangeley | |||
| MORRILL | 342 | Morrill | Morrill | 
| Northland | Belfast | ||
| Brooks | |||
| Freedom | |||
| Liberty | |||
| Lincolnville/Beach | |||
| Union | |||
| MOUNT VERNON | 293 | Mount Vernon | Mount Vernon | 
| Community Service | Belgrade | ||
| Farmington | |||
| Livermore Falls | |||
| Readfield | |||
| Rome | |||
| Augusta (one-way) | |||
| NAPLES | 693 | Naples | Naples | 
| Maine Tel | Casco | Bridgton | |
| Poland | Casco | ||
| Raymond | Harrison | ||
| Poland | |||
| Raymond | |||
| Sebago | |||
| NEW GLOUCESTER | 926 | New Gloucester | New Gloucester | 
| Pine Tree | Gray | Gray | |
| West Gray | Lewiston | ||
| Lisbon Falls | |||
| Poland | |||
| Portland | |||
| Pownal | |||
| West Gray | |||
| NEW HARBOR | 677 | New Harbor | |
| Tidewater | Bremen | ||
| Damariscotta | |||
| Sheepscot | |||
| South Bristol | |||
| NEW SWEDEN | 896 | New Sweden | New Sweden | 
| Caribou | Caribou | ||
| Fort Kent | |||
| Van Buren | |||
| Washburn | |||
| NEW VINEYARD | 652 | New Vineyard | New Vineyard | 
| Somerset | Strong | Farmington | |
| Madison | |||
| North New Portland | |||
| Phillips | |||
| Salem | |||
| Salem | |||
| Strong | |||
| NEWBURGH | 234 | Newburgh | Newburgh | 
| Unity | Thorndike | Albion | |
| Unity | Bangor | ||
| Brooks | |||
| Etna | |||
| Hampden | |||
| Hermon | |||
| Monroe | |||
| Plymouth | |||
| Thorndike | |||
| Unity | |||
| Winterport | |||
| NEWPORT | 298 | Newport | Newport | 
| 341 | Pittsfield | Corrina | |
| 355 | Etna | ||
| 368 | Hartland | ||
| Pittsfield | |||
| Plymouth | |||
| Stetson | |||
| NORRIDGEWOCK | 634 | Norridgewock | Norridgewock | 
| Somerset | Mercer | Fairfield | |
| Smithfield | Madison | ||
| Mercer | |||
| Oakland | |||
| Rome | |||
| Skowhegan | |||
| Smithfield | |||
| Waterville | |||
| NORTH ANSON | 635 | North Anson | North Anson | 
| Somerset | Embden Lake | Embden Lake | |
| Madison | Madison | ||
| North New Portland | North New Portland | ||
| Solon | Skowhegan | ||
| Solon | |||
| NORTH BERWICK | 676 | North Berwick | North Berwick | 
| Lebanon | Berwick | ||
| Sanford | Lebanon | ||
| South Berwick | Sanford | ||
| South Berwick | |||
| Wells | |||
| York | |||
| NORTH FRYEBURG | 697 | North Fryeburg | North Fryeburg | 
| Northland | Chatham, NH | Chatham, NH | |
| East Conway, NH | East Conway, NH | ||
| Fryeburg | Fryeburg | ||
| Lovell | Lovell | ||
| North Lovell | North Lovell | ||
| NORTH LOVELL | 928 | North Lovell | North Lovell | 
| Northland | Chatham, NH | Bethel | |
| Lovell | Chatham, NH | ||
| North Fryeburg | East Conway, NH | ||
| East Conway | Fryeburg | ||
| Fryeburg | Harrison | ||
| Lovell | |||
| North Fryeburg | |||
| West Bethel | |||
| NORTH NEW PORTLAND | 628 | North New Portland | North New Portland | 
| Somerset | Embden Lake | Carrabassett | |
| Kingfield | Embden Lake | ||
| North Anson | Kingfield | ||
| Madison | |||
| Moosehorn | |||
| New Vineyard | |||
| North Anson | |||
| Salem | |||
| Solon | |||
| NORTH NORWAY | 527 | North Norway | North Norway | 
| Oxford West | Norway | Bethel | |
| Harrison | |||
| Locke Mills | |||
| Norway | |||
| West Paris | |||
| NORTH WHITEFIELD | 549 | North Whitefield | North Whitefield | 
| Augusta | Augusta | ||
| Damariscotta | |||
| Gardiner | |||
| Palermo | |||
| Richmond | |||
| Sheepscot | |||
| South China | |||
| Waldoboro | |||
| Washington | |||
| NORTHEAST HARBOR | 276 | Northeast Harbor | Northeast Harbor | 
| Bar Harbor | Bar Harbor | ||
| Southwest Harbor | Ellsworth | ||
| Southwest Harbor | |||
| 393 | |||
| NORWAY | 461 | Norway | Norway | 
| 489 | Harrison | Buckfield | |
| 515 | North Norway | Harrison | |
| 739 | Oxford | Hebron | |
| 743 | North Norway | ||
| 744 | Oxford | ||
| 890 | West Paris | ||
| OAKLAND | 465 | Oakland | Oakland | 
| Belgrade | Belgrade | ||
| Fairfield | Fairfield | ||
| Sidney | Norridgewock | ||
| Waterville | Rome | ||
| Sidney | |||
| Smithfield | |||
| Waterville | |||
| OLD ORCHARD BEACH | 934 | Old Orchard Beach | Old Orchard Beach | 
| 937 | Biddeford | Biddeford | |
| Portland | |||
| Scarborough | |||
| OLD TOWN | 817 | Old Town | Old Town | 
| 827 | Old Town Rural | Alton | |
| Alton | Aurora | ||
| Bangor | Bangor | ||
| Orono | Bradford | ||
| Eddington | |||
| Old Town Rural | |||
| Orono | |||
| West Enfield | |||
| OLD TOWN RURAL | 826 | Old Town Rural | Old Town Rural | 
| Mid-Maine | Old Town | Old Town | |
| Alton | Alton | ||
| Bangor | Bangor | ||
| Orono | Orono | ||
| West Enfield | West Enfield | ||
| ORONO | 581 | Orono | Orono | 
| 866 | Bangor | Bangor | |
| Old Town Rural | Eddington | ||
| Old Town | Old Town Rural | ||
| Old Town | |||
| ORRINGTON | 825 | Orrington | Orrington | 
| Bangor | Bangor | ||
| Bucksport | Bucksport | ||
| Winterport | Hampden | ||
| Winterport | |||
| OTIS | 537 | Otis | Otis | 
| Union River | Aurora | Aurora | |
| Bangor | |||
| Beddington | |||
| Ellsworth | |||
| Eddington | |||
| OXFORD | 539 | Oxford | Oxford | 
| Norway | Casco | ||
| Harrison | |||
| Hebron | |||
| Mechanic Falls | |||
| Norway | |||
| Poland | |||
| PALERMO | 993 | Palermo | Palermo | 
| Northland | Albion | ||
| Augusta | |||
| China | |||
| Freedom | |||
| Liberty | |||
| North Whitefield | |||
| South China | |||
| Washington | |||
| PATTEN | 528 | Patten | Patten | 
| Northland | Island Falls | Island Falls | |
| Sherman Mills | Sherman Mills | ||
| Smyrna Mills | Smyrna Mills | ||
| PEMBROKE | 726 | Pembroke | Pembroke | 
| Eastport | Eastport | ||
| Calais | |||
| Lubec | |||
| Machias | |||
| PHILLIPS | 639 | Phillips | Phillips | 
| Somerset | New Vineyard | New Vineyard | |
| Salem | Rangeley | ||
| Strong | Stratton | ||
| Weld | Salem | ||
| Strong | |||
| Weld | |||
| PITTSFIELD | 416 | Pittsfield | Pittsfield | 
| 487 | Newport | Newport | |
| 679 | Clinton | ||
| Skowhegan | |||
| Hartland | |||
| Plymouth | |||
| Unity | |||
| PLYMOUTH | 257 | Plymouth | Plymouth | 
| Mid Maine | Pittsfield | ||
| Etna | |||
| Newburgh | |||
| Newport | |||
| Unity | |||
| POLAND | 998 | Poland | Poland | 
| Maine Tel | Casco | Casco | |
| Lewiston | Gray/West Gray | ||
| Raymond | Lewiston | ||
| Mechanic Falls | |||
| Naples | |||
| New Gloucester | |||
| Oxford | |||
| Raymond | |||
| PORTLAND (5 rate centers) | 81 NXXs | Portland/Portland | Portland (5 rate centers) | 
| Portland/Falmouth | Cumberland | ||
| Portland/North Deering | Freeport | ||
| Portland/Peaks Island | Gorham | ||
| Portland/So. Portland | Gray | ||
| New Gloucester | |||
| Old Orchard Beach | |||
| Pownal | |||
| Scarborough | |||
| Westbrook | |||
| West Gray | |||
| Windham | |||
| Yarmouth | |||
| Bar Mills | |||
| Waterboro | |||
| West Buxton | |||
| POWNAL | 688 | Pownal | Pownal | 
| Freeport | Cumberland | ||
| Yarmouth | Freeport | ||
| Lisbon Falls | |||
| New Gloucester | |||
| Portland | |||
| Yarmouth | |||
| Gray/W.Gray | |||
| PRESQUE ISLE | Presque Isle | Presque Isle | |
| 227 | 760 | Ashland | Ashland | 
| 540 | 762 | Caribou | Caribou | 
| 551 | 764 | Easton | Easton | 
| 554 | 768 | Fort Fairfield | Fort Fairfield | 
| 569 | 769 | Mars Hill | Mars Hill | 
| Washburn | Washburn | ||
| PRINCETON | 796 | Princeton | Princeton | 
| Woodland | Woodland | ||
| Calais | |||
| Danforth | |||
| Vanceboro | |||
| RANGELEY | 494 | Rangeley | Rangeley | 
| 670 | Moosehorn | ||
| 864 | Phillips | ||
| Stratton | |||
| Raymond | Raymond | ||
| RAYMOND | 655 | Casco | Bridgton | 
| Maine Tel | Naples | Casco | |
| Poland | Gray | ||
| Gray | Naples | ||
| West Gray | Poland | ||
| Sebago | |||
| West Gray | |||
| Windham | |||
| READFIELD | 685 | Readfield | Readfield | 
| 931 | Augusta | Augusta | |
| Livermore Falls | Belgrade | ||
| Livermore Falls | |||
| Leeds | |||
| Monmouth | |||
| Mt. Vernon | |||
| Winthrop | |||
| RICHMOND | 737 | Richmond | Richmond | 
| 881 | Bowdoinham | Bath | |
| Gardiner | Bowdoinham | ||
| Gardiner | |||
| Litchfield | |||
| North Whitefield | |||
| Sheepscot | |||
| Wiscassett | |||
| 226 | |||
| ROCKLAND | 542 | Rockland | Rockland | 
| 593 | Camden | Camden | |
| 594 | Tenants Harbor | Tenants Harbor | |
| 596 | Thomaston | Thomaston | |
| 640 | Vinalhaven/North Haven | Union | |
| 691 | Vinalhaven/North Haven | ||
| 701 | Warren | ||
| 975 | Washington | ||
| Frenchboro | |||
| Isle Au Haut | |||
| Matinicus | |||
| Swans Island | |||
| ROCKWOOD | 534 | Rockwood | Rockwood | 
| Greenville | Greenville | ||
| ROME | 397 | Rome | Rome | 
| Somerset | Mercer | Belgrade | |
| Norridgewock | Farmington | ||
| Smithfield | Mercer | ||
| Mt. Vernon | |||
| Norridgewock | |||
| Oakland | |||
| Smithfield | |||
| ROXBURY POND | 545 | Roxbury Pond | Roxbury Pond | 
| Oxford West | Andover | Andover | |
| Rumford | Rumford | ||
| RUMFORD | 357 | Rumford | Rumford | 
| 364 | Dixfield | Andover | |
| 369 | Bethel | ||
| 390 | Bryant Pond | ||
| 418 | Dixfield | ||
| Locke Mills | |||
| Roxbury Pond | |||
| Weld | |||
| SABATTUS | 375 | Sabattus | Sabattus | 
| Lewiston | Greene | ||
| Lewiston | |||
| Lisbon Falls | |||
| Litchfield | |||
| Monmouth | |||
| SALEM | 678 | Salem | Salem | 
| Somerset | Kingfield | Kingfield | |
| New Vineyard | New Vineyard | ||
| Phillips | Phillips | ||
| Strong | Strong | ||
| North New Portland | |||
| SANFORD | 254 | Sanford | Sanford | 
| 324 | Acton | Acton | |
| 432 | Lebanon | Goodwin's Mills | |
| 459 | Limerick | Kennebunk | |
| 490 | North Berwick | Lebanon | |
| 636 | Limerick | ||
| 651 | North Berwick | ||
| 914 | Waterboro | ||
| Wells | |||
| SCARBOROUGH | 289 | Scarborough | Scarborough | 
| 396 | Gorham | Bar Mills | |
| 510 | Portland | Biddeford | |
| 570 | Gorham | ||
| 730 | Old Orchard Beach | ||
| 883 | Portland | ||
| 885 | Westbrook | ||
| SEARSPORT | 548 | Searsport | Searsport | 
| Belfast | Belfast | ||
| Stockton Springs | |||
| Winterport | |||
| SEBAGO | 787 | Sebago | Sebago | 
| Standish | Bridgton | ||
| Casco | |||
| Cornish | |||
| Denmark | |||
| Limington | |||
| Naples | |||
| Raymond | |||
| Standish | |||
| Steep Falls | |||
| SEDGWICK | 359 | Sedgwick | Sedgwick | 
| Blue Hill | Blue Hill | ||
| Castine | |||
| Deer Isle/Stonington | |||
| SHEEPSCOT | 586 | Sheepscot | Sheepscot | 
| Tidewater | Bremen | Bremen | |
| Damariscotta | Damariscotta | ||
| New Harbor | New Harbor | ||
| South Bristol | North Whitefield | ||
| Richmond | |||
| South Bristol | |||
| Wiscasset | |||
| SHERMAN MILLS | 365 | Sherman Mills | Sherman Mills | 
| Northland | Island Falls | Island Falls | |
| Patten | Kingman | ||
| Patten | |||
| Smyrna Mills | |||
| SIDNEY | 547 | Sidney | Sidney | 
| Sidney Tel/Northland | Augusta | Augusta | |
| Oakland | Belgrade | ||
| Waterville | Oakland | ||
| Waterville | |||
| SKOWHEGAN | 399 | Skowhegan | Skowhegan | 
| 431 | Madison | Athens | |
| 474 | Clinton | ||
| 858 | Embden Lake | ||
| Fairfield | |||
| Hartland | |||
| Madison | |||
| Norridgewock | |||
| North Anson | |||
| Pittsfield | |||
| Solon | |||
| SMITHFIELD | 362 | Smithfield | Smithfield | 
| Somerset | Mercer | Mercer | |
| Norridgewock | Norridgewock | ||
| Rome | Oakland | ||
| Rome | |||
| SMYRNA MILLS | 757 | Smyrna Mills | Smyrna Mills | 
| Northland | Island Falls | Houlton | |
| Patten | Island Falls | ||
| Patten | |||
| Sherman Mills | |||
| SOLON | 643 | Solon | Solon | 
| Somerset | Athens | Athens | |
| Embden Lake | Bingham | ||
| North Anson | Embden Lake | ||
| Madison | |||
| North Anson | |||
| North New Portland | |||
| Skowhegan | |||
| SOUTH BERWICK | 294 | South Berwick | South Berwick | 
| 384 | Berwick | Berwick | |
| Eliot | Dover, NH | ||
| North Berwick | Eliot | ||
| Dover, NH | Kittery | ||
| Somersworth, NH | North Berwick | ||
| Somersworth, NH | |||
| York | |||
| SOUTH BRISTOL | 644 | South Bristol | No Premium Area | 
| Tidewater | Bremen | ||
| Damariscotta | |||
| New Harbor | |||
| Sheepscot | |||
| SOUTH CHINA | 445 | South China | South China | 
| China | China | Augusta | |
| East Vassalboro | China | ||
| East Vassalboro | |||
| North Whitefield | |||
| Palermo | |||
| SOUTH LEBANON | 339 | South Lebanon | South Lebanon | 
| Berwick | Barrington, NH | ||
| Rochester, NH | Berwick | ||
| West Lebanon | Dover, NH | ||
| Milton, NH | Eliot | ||
| Lebanon | |||
| Milton, NH | |||
| Rochester, NH | |||
| Somersworth, NH | |||
| West Lebanon | |||
| SOUTHWEST HARBOR | 244 | Southwest Harbor | Southwest Harbor | 
| Bar Harbor | Bar Harbor | ||
| Ellsworth | Ellsworth | ||
| Northeast Harbor | Northeast Harbor | ||
| Frenchboro | |||
| Isle Au Haut | |||
| Matinicus | |||
| Swans Island | |||
| STANDISH | 642 | Standish | Standish (OCP: Hometown Plan) | 
| Standish | 648 | Steep Falls | Gorham | 
| Limington | Limington | ||
| Sebago | |||
| Steep Falls | |||
| West Buxton | |||
| Windham | |||
| STEEP FALLS | 675 | Steep Falls | Steep Falls | 
| Standish | Limington | Cornish | |
| Standish | Limington | ||
| Sebago | |||
| Standish | |||
| STETSON | 296 | Stetson | Stetson | 
| West Penobscot | Corinna | Bangor | |
| Exeter | Corinna | ||
| Etna | |||
| Exeter | |||
| Hermon | |||
| Levant | |||
| Newport | |||
| STOCKTON SPRINGS | 567 | Stockton Springs | Stockton Springs | 
| Northland | Belfast | ||
| Bucksport | |||
| Searsport | |||
| Winterport | |||
| STRATTON | 246 | Stratton | Stratton | 
| Somerset | Bigelow | Bigelow | |
| Carrabassett | Carrabassett | ||
| Kingfield | Kingfield | ||
| Moosehorn | Moosehorn | ||
| Phillips | |||
| Rangeley | |||
| STRONG | 684 | Strong | Strong | 
| Somerset | New Vineyard | Farmington | |
| Phillips | New Vineyard | ||
| Salem | Phillips | ||
| Salem | |||
| ST. FRANCIS | 398 | St. Francis | St. Francis | 
| Northland | Clair, NB | Clair, NB | |
| Fort Kent | Eagle Lake | ||
| Fort Kent | |||
| SULLIVAN | 422 | Sullivan | Sullivan | 
| Ellsworth | Aurora | ||
| Franklin | Ellsworth | ||
| Winter Harbor | Franklin | ||
| Winter Harbor | |||
| SUMNER | 388 | Sumner | Sumner | 
| Oxford County | Buckfield | Bryant Pond | |
| Canton | Buckfield | ||
| North Turner | Canton | ||
| Turner | Dixfield | ||
| West Paris | North Turner | ||
| Turner | |||
| West Paris | |||
| SWANS ISLAND | 526 | Swans Island | Swans Island | 
| Island | Frenchboro | Frenchboro | |
| Isle Au Haut | Isle Au Haut | ||
| Matinicus | Matinicus | ||
| Deer Isle/Stonington | |||
| Ellsworth | |||
| Rockland | |||
| Southwest Harbor | |||
| TENANTS HARBOR | 372 | Tenants Harbor | Tenants Harbor | 
| Rockland | Rockland | ||
| Thomaston | Thomaston | ||
| THE FORKS | 663 | The Forks | The Forks | 
| Bingham | Bingham | ||
| Jackman | |||
| THOMASTON | 354 | Thomaston | Thomaston | 
| Rockland | Rockland | ||
| Tenants Harbor | Tenants Harbor | ||
| Waldoboro | Waldoboro | ||
| Warren | |||
| THORNDIKE | 568 | Thorndike | Thorndike | 
| Unity | Newburgh | Albion | |
| Unity | Brooks | ||
| Freedom | |||
| Newburgh | |||
| Unity | |||
| TURNER/NORTH TURNER | 224 | Turner/North Turner | Turner/North Turner | 
| Oxford | 225 | Buckfield | Buckfield | 
| Canton | |||
| Greene | |||
| Hebron | |||
| Leeds | |||
| Lewiston | |||
| Livermore Falls | |||
| Sumner | |||
| West Paris | |||
| UNION | 785 | Union | Union | 
| Tidewater | Camden | ||
| Liberty | |||
| Lincolnville/Beach | |||
| Morrill | |||
| Rockland | |||
| Waldoboro | |||
| Warren | |||
| Washington | |||
| UNITY | 948 | Unity | Unity | 
| Unity | Albion | Albion | |
| Newburgh | Clinton | ||
| Thorndike | Fairfield | ||
| Freedom | |||
| Newburgh | |||
| Pittsfield | |||
| Plymouth | |||
| Thorndike | |||
| UPTON | 533 | Upton | Upton | 
| Oxford West | Andover | ||
| Bethel | |||
| West Bethel | |||
| Wilson's Mills | |||
| VAN BUREN | 848 | Van Buren | Van Buren | 
| 868 | Grand Island | Caribou | |
| St Leonard, NB | Grand Isle | ||
| Limestone | |||
| New Sweden | |||
| St Leonard, NB | |||
| VANCEBORO | 687 | Vanceboro | Vanceboro | 
| 788 | McAdam, NB | McAdam, NB | |
| Princeton | |||
| VINALHAVEN/NORTH HAVEN | 863 | Vinalhaven/North Haven | Vinalhaven/North Haven | 
| 867 | Rockland | Rockland | |
| WALDOBORO | 832 | Waldoboro | Waldoboro | 
| 860 | Thomaston | Bremen | |
| Damariscotta | |||
| North Whitefield | |||
| Thomaston | |||
| Union | |||
| Warren | |||
| Washington | |||
| WARREN | 273 | Warren | Warren | 
| Warren | Camden | ||
| Rockland | |||
| Thomaston | |||
| Union | |||
| Waldoboro | |||
| WASHBURN | 455 | Washburn | Washburn | 
| Caribou | Ashland | ||
| Presque Isle | Caribou | ||
| New Sweden | |||
| Presque Isle | |||
| WASHINGTON | 845 | Washington | Washington | 
| Northland | Liberty | ||
| North Whitefield | |||
| Palermo | |||
| Rockland | |||
| Union | |||
| Waldoboro | |||
| WATERBORO | 247 | Waterboro | Waterboro | 
| Saco River | Bar Mills | Bar Mills | |
| West Buxton | Goodwins Mills | ||
| Limerick | |||
| Limington | |||
| Sanford | |||
| West Buxton | |||
| Portland | |||
| WATERVILLE | 231 | Waterville | Waterville | 
| 314 | Fairfield | Albion | |
| 649 | Oakland | Augusta | |
| 680 | Sidney | China | |
| 692 | Clinton | ||
| 859 | East Vassalboro | ||
| 861 | Fairfield | ||
| 872 | Norridgewock | ||
| 873 | Oakland | ||
| 877 | Sidney | ||
| WELD | 585 | Weld | Weld | 
| Somerset | Phillips | Dixfield | |
| Farmington | |||
| Phillips | |||
| Rumford | |||
| Wilton | |||
| WELLS | 251 | Wells | Wells | 
| 641 | Kennebunk | Kennebunk | |
| 646 | York | North Berwick | |
| Sanford | |||
| York | |||
| WEST BETHEL | 836 | West Bethel | West Bethel | 
| Oxford West | Bethel | Bethel | |
| Locke Mills | |||
| North Lovell | |||
| Upton | |||
| WEST BUXTON | 727 | West Buxton | West Buxton | 
| Saco River | Bar Mills | Bar Mills | |
| Waterboro | Gorham | ||
| Limington | |||
| Standish | |||
| Waterboro | |||
| Portland | |||
| WEST ENFIELD | 732 | West Enfield | West Enfield | 
| Mid Maine | Old Town Rural | Alton | |
| Lee | |||
| Lincoln | |||
| Milo | |||
| Old Town | |||
| Old Town Rural | |||
| WEST GARDINER | 724 | West Gardiner | West Gardiner | 
| Cobbosseecontee | Augusta | Augusta | |
| Gardiner | Gardiner | ||
| Litchfield | |||
| WEST GRAY | 428 | West Gray | West Gray | 
| Pine Tree | Gray | Gray | |
| New Gloucester | Cumberland | ||
| New Gloucester | |||
| Poland | |||
| Portland | |||
| Pownal | |||
| Raymond | |||
| Windham | |||
| Yarmouth | |||
| WEST LEBANON | 658 | West Lebanon | West Lebanon | 
| Milton, NH | Acton | ||
| Milton Mills, NH | Lebanon | ||
| South Lebanon | Milton, NH | ||
| Rochester, NH | Milton Mills, NH | ||
| Rochester, NH | |||
| South Lebanon | |||
| WEST PARIS | 674 | West Paris | West Paris | 
| Oxford County | Bryant Pond | Bryant Pond | |
| Buckfield | Buckfield | ||
| Sumner | Canton | ||
| Locke Mills | |||
| North Norway | |||
| North Turner | |||
| Norway | |||
| Sumner | |||
| Turner | |||
| WEST RIPLEY | 277 | West Ripley | West Ripley | 
| Hartland | Harmony | Dexter | |
| Hartland | Guilford | ||
| Harmony | |||
| Hartland | |||
| 464 | |||
| WESTBROOK | 591 | Westbrook | Westbrook | 
| 854 | Gorham | Gorham | |
| 856 | Portland | Portland | |
| 857 | Windham | Scarborough | |
| 887 | Windham | ||
| WILSON'S MILLS | 486 | Wilson's Mills | Wilson's Mills | 
| Erroll, NH | Erroll, NH | ||
| Milan, NH | Milan, NH | ||
| Upton | |||
| WILTON | 558 | Wilton | Wilton | 
| 645 | Farmington | Canton | |
| Livermore Falls | Dixfield | ||
| Farmington | |||
| Livermore Falls | |||
| Weld | |||
| WINDHAM | 310 | Windham | Windham | 
| 892 | Gorham | Cumberland | |
| 893 | Portland | Gorham | |
| 894 | Westbrook | Gray | |
| Portland | |||
| Raymond | |||
| Standish | |||
| West Gray | |||
| Westbrook | |||
| WINTER HARBOR | 661 | Winter Harbor | Winter Harbor | 
| 963 | Sullivan | Millbridge | |
| Sullivan | |||
| WINTERPORT | 223 | Winterport | Winterport | 
| Orrington | Bangor | ||
| Belfast | |||
| Bucksport | |||
| Hampden | |||
| Monroe | |||
| Newburgh | |||
| Orrington | |||
| Searsport | |||
| Stockton Springs | |||
| WINTHROP (East Winthrop) | 377 | Winthrop | Winthrop | 
| Community Service | 395 | Augusta | Augusta | 
| Monmouth | Greene | ||
| Leeds | |||
| Litchfield | |||
| Monmouth | |||
| Readfield | |||
| WISCASSET | 380 | Wiscasset | Wiscasset | 
| 882 | Bath | Bath | |
| Boothbay Harbor | Boothbay Harbor | ||
| Damariscotta | |||
| Richmond | |||
| Sheepscot | |||
| WOODLAND | 427 | Woodland | Woodland | 
| 530 | Calais | Calais | |
| Princeton | Princeton | ||
| WYTOPITLOCK | 456 | Wytopitlock | Wytopitlock | 
| Danforth | Danforth | ||
| Kingman | |||
| YARMOUTH | 846 | Yarmouth | Yarmouth | 
| 847 | Cumberland | Cumberland | |
| Freeport | Freeport | ||
| Portland | Gray | ||
| Pownal | Portland | ||
| Pownal | |||
| West Gray | |||
| YORK | 337 | York | York | 
| 351 | Kittery | Kittery | |
| 361 | Wells | Portsmouth, NH | |
| 363 | Wells | ||
| 886 | North Berwick | ||
| South Berwick | |||
- Note 1: "Unofficial" listings. Consult tariffs or directory for calling area information.
 - Note 2: Exchanges without "Company" are Verizon-Maine territory.
 - Note 3: Calling area information applies only to incumbent local exchange companies (ILEC), (see NANPA website for all number assignments, including CLECs and wireless companies)
 - Note 4: Where the "Economy" and "Premium" areas are the same, the area is designated "Premium."
 - Note 5: Optional Calling Plans -- blocks of time or flat, 1-way, options to contiguous exchanges or exchanges within 10 or 30 miles, depending on plan or company.
 - Note 6: 12/15/03, all contiguous exchanges not already included, added to Premium Area