| District of Massachusetts area codes: 978 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 978-264 | Middlesex | Acton, MA | Verizon New England Inc. |
| 978-265 | Middlesex | Lowell, MA | Sprint Spectrum L.p. |
| 978-266 | Middlesex | Acton, MA | Verizon New England Inc. |
| 978-267 | Middlesex | Wilmington, MA | Rcn Telecom Services |
| 978-268 | Middlesex | Acton, MA | Paetec Communications |
| 978-269 | Essex | Andover, MA | Choice One Communications |
| 978-270 | Essex | Newburyport, MA | Cellco Partnership DBA Verizon Wireless |
| 978-272 | Middlesex | Groton, MA | Local Access LLC |
| 978-273 | Essex | Lawrence, MA | Cellco Partnership DBA Verizon Wireless |
| 978-274 | Middlesex | Marlborough, MA | Broadwing Communications |
| 978-275 | Middlesex | Lowell, MA | Verizon New England Inc. |
| 978-276 | Middlesex | N Reading, MA | Verizon New England Inc. |
| 978-277 | Worcester | Templeton, MA | Broadwing Communications |
| 978-278 | Essex | Peabody, MA | Allegiance Telecom |
| 978-279 | Essex | Beverly, MA | Broadview Networks |
| 978-280 | Middlesex | Concord, MA | Verizon New England Inc. |
| 978-281 | Essex | Gloucester, MA | Verizon New England Inc. |
| 978-282 | Essex | Gloucester, MA | Verizon New England Inc. |
| 978-283 | Essex | Gloucester, MA | Verizon New England Inc. |
| 978-284 | Middlesex | Wilmington, MA | Verizon New England Inc. |
There are 743 prefixes, In the code area, the major cities are Beverly, MA;Chelmsford, MA;Danvers, MA;Fitchburg, . The major city is Boston.