The 781 area code covers Boston’s inner suburbs along the Route 128 corridor, and some outer suburbs, especially in the South Shore region in Massachusetts.
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Phone numbers with the 781 area code prefix originate from the suburbs of Boston in Massachusetts. The service area encompasses most of the South Shore, as well as suburbs situated along Route 128 and the surrounding towns.
Area code 781 was established on September 1, 1997, as an area code split from area code 617, with mandatory use beginning February 1, 1998. Area code 339 is an overlay complex code that serves the exact same geographic region as 781. It was activated on May 2, 2001, and since its introduction, ten-digit dialing has been mandatory for all calls within this service area.
Area code 781 is a general purpose code which was placed in service on September 1, 1997.
Our Massachusetts phone number lookup service will analyze the three-digit prefix of any 781 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Massachusetts geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| VERIZON NEW ENGLAND INC. | 219 |
| TC SYSTEMS, INC. | 40 |
| XO MASSACHUSETS, INC. | 36 |
| SPRINT SPECTRUM, L.P. | 35 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 30 |
| COMCAST IP PHONE, LLC | 30 |
| LEVEL 3 COMMUNICATIONS, LLC - MA | 30 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - MA | 23 |
| PAETEC COMMUNICATIONS, INC. - MA | 21 |
| RCN TELECOM SERVICES, INC. - MA | 16 |
| CTC COMMUNICATIONS CORP. - MA | 15 |
| CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC | 14 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 14 |
| BANDWIDTH.COM CLEC, LLC - MA | 13 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 13 |
| OMNIPOINT MIAMI E LICENSE, LLC | 13 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 12 |
| AT&T - LOCAL | 9 |
| LOCAL ACCESS LLC - MA | 7 |
| BROADVIEW NETWORKS, INC. - MA | 5 |
| PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 3 |
| AMERICAN MESSAGING SERVICES, LLC | 1 |
| DSCI, LLC | 1 |
| FREEDOM RING COMMUNICATIONS, LLC | 1 |
| NORFOLK COUNTY INTERNET, INC. | 1 |
| ONVOY, LLC - MA | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| WALTHAM | 60 |
| LEXINGTON | 43 |
| WOBURN | 34 |
| BURLINGTON | 31 |
| DEDHAM | 30 |
| LYNN | 29 |
| NEEDHAM | 25 |
| BRAINTREE | 24 |
| NORWOOD | 20 |
| CANTON | 19 |
| MALDEN | 17 |
| MEDFORD | 17 |
| WAKEFIELD | 17 |
| REVERE | 16 |
| WELLESLEY | 16 |
| WEYMOUTH | 16 |
| ARLINGTON | 14 |
| WINCHESTER | 14 |
| RANDOLPH | 13 |
| ROCKLAND | 13 |
| SAUGUS | 13 |
| KINGSTON | 12 |
| NORWELL | 12 |
| STONEHAM | 12 |
| STOUGHTON | 11 |
| HINGHAM | 10 |
| READING | 10 |
| MELROSE | 8 |
| HANOVER | 6 |
| LYNNFIELD | 5 |
| MARBLEHEAD | 5 |
| MARSHFIELD | 5 |
| COHASSET | 4 |
| HULL | 4 |
| SHARON | 4 |
| BRYANTVL | 3 |
| LINCOLN | 3 |
| SCITUATE | 3 |
| WHITMAN | 3 |
| DUXBURY | 2 |
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