| District of Massachusetts area codes: 978 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 978-810 | Essex | Beverly, MA | New Cingular Wireless PCS - DC |
| 978-812 | Middlesex | Townsend, MA | Level 3 Communications |
| 978-813 | Centurylink Communications LLC | ||
| 978-815 | Middlesex | Lowell, MA | Sprint Spectrum L.p. |
| 978-816 | Essex | Beverly, MA | Mcimetro Access Transmission Services LLC |
| 978-817 | Suffolk | Boston, MA | Mcimetro Access Transmission Services LLC |
| 978-818 | Essex | Peabody, MA | Conversent Communications Of Massachusetts |
| 978-819 | Essex | West Newbury, MA | Level 3 Communications |
| 978-820 | Worcester | Hubbardston, MA | Level 3 Communications |
| 978-821 | Middlesex | Billerica, MA | New Cingular Wireless PCS - DC |
| 978-822 | Middlesex | Shirley, MA | Ctc Communications Corp. |
| 978-823 | Middlesex | Sudbury, MA | Verizon New England Inc. |
| 978-824 | Essex | Andover, MA | Xo Massachusetts |
| 978-825 | Essex | Salem, MA | Verizon New England Inc. |
| 978-826 | Suffolk | Boston, MA | Paetec Communications |
| 978-827 | Worcester | Ashburnham, MA | Verizon New England Inc. |
| 978-828 | Middlesex | Woburn, MA | Sprint Spectrum L.p. |
| 978-829 | Worcester | Fitchburg, MA | Choice One Communications |
| 978-830 | Worcester | Athol, MA | Time Warner Cable Information Svcs (massachusetts) |
| 978-831 | Middlesex | Lowell, MA | Ctc Communications Corp. |
There are 743 prefixes, In the code area, the major cities are Beverly, MA;Chelmsford, MA;Danvers, MA;Fitchburg, . The major city is Boston.