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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. 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. On September 1, 1997, area code 508 was split again, with area code 978 taking over the northern "half" of that service area. Area code 774 is an overlay area code that was added to share the 508 service area, beginning on May 2, 2001 and continuing to the present day. Since then, 10 digit local dialing is mandatory. == Regions and major cities == Area codes 508 and 774 include the following regions * South central MA * MetroWest * Cape Cod * Martha's Vineyard * Nantucket Area codes 508 and 774 include the following major cities * Plymouth * Taunton * Worcester * Brockton * Franklin * Barnstable * Fall River * Dartmouth * New Bedford * Framingham * Bridgewater * Attleboro 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Area codes 508 and 774」の詳細全文を読む スポンサード リンク
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