| District of Massachusetts area codes: 978 | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 978-767 | Essex | Danvers, MA | Level 3 Communications |
| 978-768 | Essex | Essex, MA | Verizon New England Inc. |
| 978-769 | Essex | Georgetown, MA | Comcast Phone Of Massachusetts |
| 978-770 | Middlesex | Lowell, MA | Comcast Phone Of Massachusetts |
| 978-771 | Essex | Lawrence, MA | Cellco Partnership DBA Verizon Wireless |
| 978-772 | Middlesex | Ayer, MA | Verizon New England Inc. |
| 978-773 | Essex | Andover, MA | Teleport Communications America |
| 978-774 | Essex | Danvers, MA | Verizon New England Inc. |
| 978-775 | Essex | Andover, MA | Broadwing Communications |
| 978-776 | Suffolk | Boston, MA | Broadwing Communications |
| 978-777 | Essex | Danvers, MA | Verizon New England Inc. |
| 978-778 | Essex | Beverly, MA | Teleport Communications America |
| 978-779 | Worcester | Bolton, MA | Verizon New England Inc. |
| 978-780 | Worcester | Athol, MA | Sprint Communications Company, L.p. |
| 978-782 | Essex | Newburyport, MA | Norfolk County Internet |
| 978-783 | Essex | Andover, MA | Ctc Communications Corp. |
| 978-784 | Middlesex | Ayer, MA | Verizon New England Inc. |
| 978-785 | Worcester | Lunenburg, MA | Ctc Communications Corp. |
| 978-786 | Worcester | Leominster, MA | Bandwidth.com Clec |
| 978-787 | Essex | Beverly, 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.