List of Massachusetts area codes

May 2001-present

September 1997-May 2001

July 1988-September 1997

October 1947-July 1988

This is a list of area codes in Massachusetts:

In March 2010, the state is presently 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, & 857 are used on mobile lines, none or few landlines use them.

Code	Created	Region
339	2001	Saugus, Norwood, Waltham, Woburn, east central Massachusetts and other Boston suburbs along Route 128, overlays with 781
351	2001	Fitchburg, Peabody and northeastern Massachusetts, overlays with 978
413	1947	Pittsfield, Springfield, Holyoke, Greenfield and western Massachusetts
508	1988	Worcester, New Bedford and southeastern Massachusetts, overlays with 774
617	1947	Boston, Cambridge, east central Massachusetts and close-in Boston suburbs, overlays with 857
774	2001	Worcester and southeastern Massachusetts, overlays with 508
781	1997	Saugus, Norwood, Waltham, Woburn, east central Massachusetts and other Boston suburbs along Route 128, overlays with 339
857	2001	Boston, Cambridge, east central Massachusetts and close-in Boston suburbs, overlays with 617
978	1997	Fitchburg, Peabody and northeastern Massachusetts, overlays with 351

See also

• List of NANP area codes
• North American Numbering Plan

External links

• NANPA Area Code Map of Massachusetts
• Detailed map of Massachusetts area codes (pdf)