| General Information about Area Code 978 | |
|---|---|
| Country | United States |
| State / Province / Territory | Massachusetts |
| Major City | Lowell |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 978-342 | Fitchburg | Worcester | Landline |
| 978-516 | Fitchburg | Worcester | Landline |
| 978-713 | Ipswich | Essex | Landline |
| 978-984 | Lawrence | Essex | Landline |
| 978-683 | Lawrence | Essex | Landline |
| 978-910 | Salem | Essex | Landline |
| 978-517 | Amesbury | Essex | Landline |
| 978-515 | Gloucester | Essex | Landline |
| 978-973 | Lawrence | Essex | Wireless |
| 978-521 | Haverhill | Essex | Landline |
| 978-470 | Andover | Essex | Landline |
| 978-815 | Lowell | Middlesex | Wireless |
| 978-577 | Westford | Middlesex | Landline |
| 978-731 | Westminster | Worcester | Landline |
| 978-662 | Andover | Essex | Landline |
| 978-361 | Haverhill | Essex | Landline |
| 978-265 | Lowell | Middlesex | Wireless |
| 978-529 | Beverly | Essex | Landline |
| 978-898 | North Reading | Middlesex | Landline |
| 978-745 | Salem | Essex | Landline |