List of Massachusetts area codes

File:MA Area Codes Map.svg

Numbering plan areas and area codes since May 2001

File:Massachusetts Area Code Map 97-01.png

September 1997<ref>Planning Letter: PL-104 -- Additional Changes to the Split of 508 & 617 NPAs (Massachusetts), 12-10-1997</ref> – May 2001<ref>Planning Letter: PL-234 -- PA 774 To Overlay NPA 508; NPA 857 To Overlay NPA 617; NPA 339 To Overlay NPA 781; and NPA 351 To Overlay NPA 978 (Massachusetts), 07-11-2000</ref>

File:Massachusetts Area Code Map 88-97.png

July 1988<ref>Planning Letter: IL-89-10-049 -- NANP - REVISED NPA MAPS SHOWING NEW NPAS SCHEDULED TO BE INTRODUCED IN 1989 AND 1990, 10-19-1989</ref> – September 1997<ref>Planning Letter: PL-068 -- NANP-Split of 508 (Massachusetts) Numbering Plan Area (NPA), 06-16-1997</ref><ref>Planning Letter: PL-069 -- NANP-Split of 617 (Massachusetts) Numbering Plan Area (NPA), 06-16-1997</ref>

File:Massachusetts Area Code Map 47-88.png

October 1947 – July 1988<ref>Planning Letter: IL-87-07-003 -- NANP - SPLIT OF THE 617 NUMBERING PLAN AREA, 07-02-1987</ref>

Massachusetts is divided into five distinct numbering plan areas (NPAs) in the North American Numbering Plan (NANP), which are served by nine area codes,<ref>Template:Cite press release</ref> organized as four overlay complexes and a single-area code NPA.

Eastern Massachusetts has area codes 339, 351, 508, 617, 774, 781, 857, and 978.<ref name="areacodehelp.com">Template:Cite web</ref> Western Massachusetts has area code 413.<ref name="areacodehelp.com" />

The numbering plan areas are organized into two local access and transport areas (LATAs): 126 comprises the western part, and 128 covers the central and eastern parts.<ref>Template:Cite web</ref>

Area code	Year created	Parent NPA	Overlay	Numbering plan area
413	1947	–	–	Western Massachusetts: Amherst, Greenfield, Holyoke, North Adams, Pittsfield, Springfield
617	1947	–	617/857	Boston and surrounding communities such as Brookline, Cambridge, Newton, and Quincy.
857	2001	617
781	1997	617	339/781	Greater Boston: Burlington, Lynn, Waltham, Weymouth
339	2001	781
508	1988	617	508/774	Southeastern Massachusetts: Brockton, Framingham, Hyannis, New Bedford, Plymouth, Worcester
774	2001	508
978	1997	508	351/978	Northeastern Massachusetts: Athol, Concord, Fitchburg, Gloucester, Haverhill, Lowell, Salem
351	2001	978

See also

• List of North American Numbering Plan area codes
• Original North American area codes

External links

• Template:Commons category-inline
• Detailed map of Massachusetts area codes (pdf), Office of the Secretary of the Commonwealth of Massachusetts