| City | Area Code | Dialing Code |
|---|---|---|
| Agawam | 413 | +1 413 |
| Arlington | 339 | +1 339 |
| Arlington | 781 | +1 781 |
| Attleboro | 508 | +1 508 |
| Attleboro | 774 | +1 774 |
| Barnstable | 508 | +1 508 |
| Barnstable | 774 | +1 774 |
| Belmont | 617 | +1 617 |
| Belmont | 857 | +1 857 |
| Beverly | 351 | +1 351 |
| Beverly | 978 | +1 978 |
| Boston | 617 | +1 617 |
| Braintree | 339 | +1 339 |
| Braintree | 781 | +1 781 |
| Brockton | 508 | +1 508 |
| Brockton | 774 | +1 774 |
| Brookline | 617 | +1 617 |
| Brookline | 857 | +1 857 |
| Burlington | 339 | +1 339 |
| Burlington | 781 | +1 781 |
| Cambridge | 617 | +1 617 |
| Cambridge | 857 | +1 857 |
| Chelmsford | 351 | +1 351 |
| Chelmsford | 978 | +1 978 |
| Chelsea | 617 | +1 617 |
| Chelsea | 857 | +1 857 |
| Danvers | 351 | +1 351 |
| Danvers | 978 | +1 978 |
| Dedham | 339 | +1 339 |
| Dedham | 781 | +1 781 |
| Everett | 617 | +1 617 |
| Everett | 857 | +1 857 |
| Fall River | 508 | +1 508 |
| Fall River | 774 | +1 774 |
| Fitchburg | 351 | +1 351 |
| Fitchburg | 978 | +1 978 |
| Framingham | 508 | +1 508 |
| Framingham | 774 | +1 774 |
| Franklin | 508 | +1 508 |
| Franklin | 774 | +1 774 |
| Gardner | 351 | +1 351 |
| Gardner | 978 | +1 978 |
| Gloucester | 351 | +1 351 |
| Gloucester | 978 | +1 978 |
| Haverhill | 351 | +1 351 |
| Haverhill | 978 | +1 978 |
| Holyoke | 413 | +1 413 |
| Lawrence | 351 | +1 351 |
| Lawrence | 978 | +1 978 |
| Leominster | 351 | +1 351 |
| Leominster | 978 | +1 978 |
| Lexington | 339 | +1 339 |
| Lexington | 781 | +1 781 |
| Lowell | 351 | +1 351 |
| Lowell | 978 | +1 978 |
| Lynn | 339 | +1 339 |
| Lynn | 781 | +1 781 |
| Malden | 339 | +1 339 |
| Malden | 781 | +1 781 |
| Marblehead | 339 | +1 339 |
| Marblehead | 781 | +1 781 |
| Marlborough | 508 | +1 508 |
| Marlborough | 774 | +1 774 |
| Medford | 339 | +1 339 |
| Medford | 781 | +1 781 |
| Melrose | 339 | +1 339 |
| Melrose | 781 | +1 781 |
| Methuen | 351 | +1 351 |
| Methuen | 978 | +1 978 |
| Milford | 508 | +1 508 |
| Milford | 774 | +1 774 |
| Milton | 617 | +1 617 |
| Milton | 857 | +1 857 |
| Needham | 339 | +1 339 |
| Needham | 781 | +1 781 |
| New Bedford | 508 | +1 508 |
| New Bedford | 774 | +1 774 |
| Newton | 617 | +1 617 |
| Newton | 857 | +1 857 |
| North Chicopee | 413 | +1 413 |
| Northampton | 413 | +1 413 |
| Norwood | 339 | +1 339 |
| Norwood | 781 | +1 781 |
| Pittsfield | 413 | +1 413 |
| Quincy | 617 | +1 617 |
| Quincy | 857 | +1 857 |
| Randolph | 339 | +1 339 |
| Randolph | 781 | +1 781 |
| Reading | 339 | +1 339 |
| Reading | 781 | +1 781 |
| Revere | 339 | +1 339 |
| Revere | 781 | +1 781 |
| Salem | 351 | +1 351 |
| Salem | 978 | +1 978 |
| Saugus | 339 | +1 339 |
| Saugus | 781 | +1 781 |
| Somerville | 617 | +1 617 |
| Somerville | 857 | +1 857 |
| South Boston | 617 | +1 617 |
| South Boston | 857 | +1 857 |
| South Peabody | 351 | +1 351 |
| South Peabody | 978 | +1 978 |
| Stoneham | 339 | +1 339 |
| Stoneham | 781 | +1 781 |
| Taunton | 508 | +1 508 |
| Taunton | 774 | +1 774 |
| Wakefield | 339 | +1 339 |
| Wakefield | 781 | +1 781 |
| Waltham | 339 | +1 339 |
| Waltham | 781 | +1 781 |
| Watertown | 617 | +1 617 |
| Watertown | 857 | +1 857 |
| Wellesley | 339 | +1 339 |
| Wellesley | 781 | +1 781 |
| West Springfield | 413 | +1 413 |
| West Springfield | 413 | +1 413 |
| Westfield | 413 | +1 413 |
| Weymouth | 339 | +1 339 |
| Weymouth | 781 | +1 781 |
| Wilmington | 351 | +1 351 |
| Wilmington | 978 | +1 978 |
| Winchester | 339 | +1 339 |
| Winchester | 781 | +1 781 |
| Woburn | 339 | +1 339 |
| Woburn | 781 | +1 781 |
| Worcester | 508 | +1 508 |
| Worcester | 774 | +1 774 |