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Numbering plan areas and area codes since May 2001
September 1997 – May 2001
July 1988 – September 1997
October 1947 – July 1988

Massachusetts is divided into five distinct numbering plan areas (NPAs), which are served by nine area codes in the North American Numbering Plan (NANP), 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. [1] Western Massachusetts has area code 413. [1]

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. [2]

Area code Region
339/781 Canton, Hanson, Lincoln, Nahant, Plympton, Revere, Stoughton, Winchester and east-central Massachusetts
351/978 Ashby, Barre, Boxborough, Carlisle, Groveland, Rowley, Wendell, Wenham and northeastern Massachusetts
413 Becket, Cummington, Hancock, Monson, Montague, Savoy, Sheffield, Warren and western Massachusetts
508/774 Berkley, Dennis, Douglas, Easton, Edgartown, Oakham, Oxford, Upton and southeastern Massachusetts
617/857 Belmont, Brookline, Chelsea, Everett, Milton, Quincy, Watertown, Winthrop and close-in Boston suburbs

See also

References

  1. ^ a b Staff writer (2022). "Massachusetts Area Code Information". areacodehelp.com. Retrieved January 12, 2023.
  2. ^ "Northeast LATA Boundaries (Archived copy)" (PDF). Archived from the original (PDF) on 2016-04-09. Retrieved 2017-09-24.

External links