Massachusetts area codes
Massachusetts has 9 area codes: 339, 351, 413, 508, 617, 774, 781, 857, 978.
- 339 — Lynn
- 351 — Acton
- 413 — Springfield
- 508 — Framingham
- 617 — Boston
- 774 — Worcester
- 781 — Waltham
- 857 — Boston
- 978 — Lowell
Area codes by city in Massachusetts
- Boston area codes
- Lexington area codes
- Worcester area codes
- Winchester area codes
- Brockton area codes
- Cambridge area codes
- Lowell area codes
- Quincy area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.