Area codes 508 and 774

The numbering plan area comprises south-central and most of southeastern Massachusetts (LATA 128).

It includes Worcester, Outer south and southwest Greater Boston (such as the MetroWest region), as well as Fall River, New Bedford, Cape Cod, Martha's Vineyard, and Nantucket.

Area code 617 was assigned to the eastern two-thirds of Massachusetts from roughly the western end of Worcester County to Boston, The Cape and Islands, and the South Coast, while the western part received area code 413.

[2] The numbering plan area of area codes 508 and 774 includes the southern parts of the regions of Worcester County and MetroWest, as well as Cape Cod, Martha's Vineyard, Nantucket, and the South Coast.

The major towns and cities are Attleboro, Barnstable, Bridgewater, Brockton, Dartmouth, Fall River, Framingham, Franklin, New Bedford, Plymouth, Taunton, and Worcester.

Highlighted area of the numbering plan area overlay of 508 and 774
Map of the Massachusetts area codes since May 2001
Map of area code 508 from its inception in July 1988 until it was split in September 1997
Map of the original two area codes of Massachusetts