Massachusetts is divided into five distinct
numbering plan areas (NPAs), which are served by nine
area code
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...
s 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.
Western Massachusetts has area code 413.
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.
See also
*
List of North American Numbering Plan area codes
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (''NPA codes'', or ''area codes''), consisting of three di ...
*
Original North American area codes
References
External links
*
Detailed map of Massachusetts area codes (pdf)
{{Area code list
Massachusetts
Area codes
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...