<P> Area codes 508 and 774 are North American Numbering Plan (NANP) telephone area codes for the U.S. state of Massachusetts . This service area currently includes south - central and most of southeastern Massachusetts (LATA code 128). It includes Worcester, Outer south & southwest Greater Boston (such as the MetroWest region), as well as Fall River, New Bedford, Cape Cod, Martha's Vineyard, and Nantucket . </P> <P> Area code 508 was created on July 16, 1988, as a split from area code 617 . Prior to this split, 617 served the entire eastern two - thirds of Massachusetts from roughly the western end of Worcester County to Boston, The Cape and Islands, & The South Coast, while area code 413 (then as now) served all points west of the original 617 boundary . Permissive dialing of 617 and 508 continued until January 1, 1989 . </P>

Where is area code 508 located in the us