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Area Code Overview
Area code 508 is a geographic telephone area code in Massachusetts that went into service on July 16, 1988. The geographic regions covered by this area code overlay has a population of approximately 1,997,170.
Overlay and Dialing Rules
- Area Code: 508
- State: Massachusetts
- Type: General Purpose Code
- In Service Date: July 16, 1988
- Overlay Complex: 508/774
- Local Dialing Plan: This area does require you to dial the area code when calling locally.
Estimated Number of Assigned Phone Numbers in Area Code 508
This area code is ranked 129th out of 363 nationwide in estimated assigned phone numbers. Within the state territory it serves, it is ranked 2nd out of 9.
5,871,000
Estimated Service-Type Mix of Assigned Phone Numbers in Area Code 508
Wireless
1,910,000 assigned
32.53%
Wireline and VoIP
3,606,000 assigned
61.42%
Other / Unclassified
355,000 assigned
6.05%
Estimated Share of Wireless Numbers Originally Assigned to Each Carrier in Area Code 508
Estimated assigned wireless phone numbers: 1,910,000
Numbers may later be ported to another carrier, but this chart reflects original number assignment, not current subscriber share.
AT&T Wireless 701,000 (36.70%)
Verizon Wireless 662,000 (34.66%)
T-Mobile 537,000 (28.12%)
MASS MOBILE LLC 10,000 (0.52%)
Estimated Share of Wireline and VoIP Numbers Originally Assigned to Each Carrier in Area Code 508
Estimated assigned wireline and VoIP phone numbers: 3,606,000
VERIZON NEW ENGLAND INC. 1,949,000 (54.05%)
PAETEC ITEL, LLC 259,000 (7.18%)
Bandwidth 225,000 (6.24%)
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 142,000 (3.94%)
Comcast Business 109,000 (3.02%)
TERRA NOVA TELECOM INC. 107,000 (2.97%)
Peerless Network 81,000 (2.25%)
CHARTER IP ENABLED SERVICES, LLC 44,000 (1.22%)
YMAX COMMUNICATIONS CORP. - MA 37,000 (1.03%)
Other / Unclassified Assigned Numbering in Area Code 508
Estimated assigned other or unclassified phone numbers: 355,000
NORFOLK COUNTY INTERNET, INC. 180,000 (50.70%)
AMERICAN MESSAGING SERVICES, LLC 40,000 (11.27%)
TC SYSTEMS, INC. 40,000 (11.27%)
IP HORIZON LLC 35,000 (9.86%)
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 28,000 (7.89%)
FREEDOM RING COMMUNICATIONS, LLC 10,000 (2.82%)
HD CARRIER LLC 9,000 (2.54%)
BARR TELL USA, INC. - MA 3,000 (0.85%)
Cities and Towns in Area Code 508
Andover, Massachusetts Assonet, Massachusetts Attleboro, Massachusetts Auburn, Massachusetts Barnstable, Massachusetts Bellingham, Massachusetts Beverly, Massachusetts Billerica, Massachusetts Blackstone, Massachusetts Boylston, Massachusetts Brewster, Massachusetts Bridgewater, Massachusetts Brockton, Massachusetts Buzzards Bay, Massachusetts Cambridge, Massachusetts Carver, Massachusetts Cataumet, Massachusetts Charlton, Massachusetts Chatham, Massachusetts Chilmark, Massachusetts Dennis, Massachusetts Dighton, Massachusetts Dover, Massachusetts East Bridgewater, Massachusetts East Douglas, Massachusetts Easton, Massachusetts Edgartown, Massachusetts Fall River, Massachusetts Falmouth, Massachusetts Fitchburg, Massachusetts Foxboro, Massachusetts Framingham, Massachusetts Franklin, Massachusetts Gloucester, Massachusetts Grafton, Massachusetts Harwich, Massachusetts Holden, Massachusetts Holliston, Massachusetts Hopkinton, Massachusetts Hyannis, Massachusetts Lawrence, Massachusetts Leicester, Massachusetts Mansfield, Massachusetts Marion, Massachusetts Marlboro, Massachusetts Mattapoisett, Massachusetts Medfield, Massachusetts Medway, Massachusetts Middleboro, Massachusetts Milford, Massachusetts Millbury, Massachusetts Millis, Massachusetts Nantucket, Massachusetts Natick, Massachusetts New Bedford, Massachusetts North Attleboro, Massachusetts North Brookfield, Massachusetts North Swansea, Massachusetts Northborough, Massachusetts Norton, Massachusetts Oakham, Massachusetts Orleans, Massachusetts Osterville, Massachusetts Oxford, Massachusetts Peabody, Massachusetts Plymouth, Massachusetts Provincetown, Massachusetts Rehoboth, Massachusetts Rochester, Massachusetts Rutland, Massachusetts Sagamore, Massachusetts Seekonk, Massachusetts Shrewsbury, Massachusetts Siasconset, Massachusetts Southbridge, Massachusetts Spencer, Massachusetts Sturbridge, Massachusetts Taunton, Massachusetts Upton, Massachusetts Uxbridge, Massachusetts Vineyard Haven, Massachusetts Walpole, Massachusetts Wareham, Massachusetts Wayland, Massachusetts Webster, Massachusetts Wellfleet, Massachusetts West Boylston, Massachusetts Westborough, Massachusetts Westford, Massachusetts Westport, Massachusetts Whitinsville, Massachusetts Worcester, Massachusetts Wrentham, Massachusetts These geographic regions are also served by area code 774.
How These Figures Were Built
These figures are estimates based on public phone-number assignment records. They are meant to show the likely mix of assigned phone numbers associated with area code 508, not live customer counts.
Some providers may have assigned phone numbers tied to this area code even if they do not actively market or sell service locally. These figures reflect public number-assignment records, not confirmed local service availability.
They also do not reflect number portability at the individual phone-number level, so some numbers may now be used on a different network or by a different provider than the original assignment records suggest.
Population data and locality matching provided by GeoNames.
Last refreshed: April 15, 2026 6:22 pm