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Massachusetts Area Codes
Massachusetts has 9 area codes in service: 339, 351, 413, 508, 617, 774, 781, 857 and 978.
Largest cities
| City | Area codes |
|---|---|
| Boston | 617, 857 |
| Worcester | 508, 774 |
| Springfield | 413 |
| Cambridge | 617, 857 |
| Lowell | 978, 351 |
| Brockton | 508, 774 |
| Lynn | 781, 339 |
| Quincy | 617, 857 |
| New Bedford | 508, 774 |
| Fall River | 508, 774 |
| Newton | 617, 857 |
| Lawrence | 978, 351 |
All area codes in Massachusetts
| Code | Main cities | Overlay | In service since | Projected exhaust |
|---|---|---|---|---|
| 339 | Lynn, Malden, Waltham, Revere | 781 | 2001 | 100+ |
| 351 | Lowell, Lawrence, Haverhill, Peabody | 978 | 2001 | 100+ |
| 413 | Springfield, Chicopee, Pittsfield, Amherst Town | — | 1947 | 2048 |
| 508 | Worcester, Brockton, New Bedford, Fall River | 774 | 1988 | 2045 |
| 617 | Boston, Cambridge, Quincy, Newton | 857 | 1947 | 2066 |
| 774 | Worcester, Brockton, New Bedford, Fall River | 508 | 2001 | 2045 |
| 781 | Lynn, Malden, Waltham, Revere | 339 | 1997 | 100+ |
| 857 | Boston, Cambridge, Quincy, Newton | 617 | 2001 | 2066 |
| 978 | Lowell, Lawrence, Haverhill, Peabody | 351 | 1997 | 100+ |
4,762 prefixes are in use across Massachusetts. Exhaust years are NANPA's 2026 forecast.