| District of Massachusetts area codes: 781 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 781-243 | Plymouth | Hanover, MA | Sprint Spectrum L.p. |
| 781-244 | Essex | Lynn, MA | Ctc Communications Corp. |
| 781-245 | Middlesex | Wakefield, MA | Verizon New England Inc. |
| 781-246 | Middlesex | Wakefield, MA | Verizon New England Inc. |
| 781-247 | Suffolk | Boston, MA | Paetec Communications |
| 781-248 | Essex | Lynn, MA | Cellco Partnership DBA Verizon Wireless |
| 781-249 | Middlesex | Waltham, MA | New Cingular Wireless PCS - DC |
| 781-250 | Suffolk | Charlestown, MA | Xo Massachusetts |
| 781-251 | Norfolk | Dedham, MA | Verizon New England Inc. |
| 781-252 | Plymouth | Whitman, MA | Sprint Spectrum L.p. |
| 781-253 | Norfolk | Sharon, MA | Global Crossing Local Services-ma |
| 781-254 | Essex | Lynn, MA | Cellco Partnership DBA Verizon Wireless |
| 781-255 | Norfolk | Norwood, MA | Verizon New England Inc. |
| 781-256 | Middlesex | Waltham, MA | Verizon New England Inc. |
| 781-257 | Middlesex | Village Of Nagog Woods, MA | Mcimetro Access Transmission Services LLC |
| 781-258 | Middlesex | Wakefield, MA | Cellco Partnership DBA Verizon Wireless |
| 781-259 | Middlesex | Lincoln, MA | Verizon New England Inc. |
| 781-261 | Plymouth | Rockland, MA | Verizon New England Inc. |
| 781-262 | Middlesex | Burlington, MA | Verizon New England Inc. |
| 781-263 | Norfolk | Wellesley, MA | Verizon New England Inc. |
There are 727 prefixes, In the code area, the major cities are Arlington, MA;Braintree, MA;Burlington, MA;Dedham,. The major city is Boston.