List of Massachusetts area codes


This is a list of area codes in Massachusetts:
As of March 2010, Massachusetts is split into two main regional calling areas.
Eastern Massachusetts is considered as area codes: 339, 351, 508, 617, 774, 781, 857, and 978. Western Massachusetts is considered as area code 413. Area codes 339, 351, 774, and 857 are used on mobile lines; none or few landlines use them. Cell phones also use 508, 617, and 781 frequently.
CodeCreatedRegion
3392001Saugus, Norwood, Waltham, Woburn, east central Massachusetts, and other Boston suburbs along Route 128, overlays with 781
3512001Fitchburg, Peabody, and northeastern Massachusetts, overlays with 978
4131947Pittsfield, Springfield, Holyoke, Greenfield, and western Massachusetts
5081988Worcester, New Bedford, and southeastern Massachusetts, overlays with 774
6171947Boston, Cambridge, east central Massachusetts, and close-in Boston suburbs, overlays with 857
7742001Worcester and southeastern Massachusetts, overlays with 508
7811997Saugus, Norwood, Waltham, Woburn, east central Massachusetts, and other Boston suburbs along Route 128, overlays with 339
8572001Boston, Cambridge, east central Massachusetts, and close-in Boston suburbs, overlays with 617
9781997Fitchburg, Peabody, and northeastern Massachusetts, overlays with 351