| District of Massachusetts area codes: 781 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 781-348 | Norfolk | Braintree, MA | Verizon New England Inc. |
| 781-349 | Suffolk | Boston, MA | Ctc Communications Corp. |
| 781-350 | Suffolk | Boston, MA | Teleport Communications America |
| 781-351 | Plymouth | Rockland, MA | Sprint Spectrum L.p. |
| 781-352 | Norfolk | Norwood, MA | Ctc Communications Corp. |
| 781-353 | Middlesex | Cambridge, MA | Broadwing Communications |
| 781-354 | Middlesex | Village Of Nagog Woods, MA | Omnipoint Miami E License |
| 781-355 | Middlesex | Cambridge, MA | AT&T Local |
| 781-356 | Norfolk | Braintree, MA | Verizon New England Inc. |
| 781-357 | Suffolk | Boston, MA | Allegiance Telecom |
| 781-358 | Suffolk | Dorchester, MA | Allegiance Telecom |
| 781-359 | Middlesex | Burlington, MA | Verizon New England Inc. |
| 781-360 | Middlesex | Wakefield, MA | Norfolk County Internet |
| 781-361 | Plymouth | Kingston, MA | Rcn Telecom Services |
| 781-362 | Middlesex | Burlington, MA | Ctc Communications Corp. |
| 781-363 | Norfolk | Canton, MA | Omnipoint Miami E License |
| 781-364 | Suffolk | Boston, MA | Teleport Communications America |
| 781-365 | Middlesex | Lowell, MA | Comcast Phone Of Massachusetts |
| 781-366 | Middlesex | Waltham, MA | Mcimetro Access Transmission Services LLC |
| 781-367 | Middlesex | Woburn, MA | Sprint Spectrum L.p. |
There are 727 prefixes, In the code area, the major cities are Arlington, MA;Braintree, MA;Burlington, MA;Dedham,. The major city is Boston.