| 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 |
|---|---|---|---|
| 978-272 | Groton | Middlesex | Landline |
| 978-208 | Lawrence | Essex | Landline |
| 978-752 | Wilmington | Middlesex | Landline |
| 978-927 | Beverly | Essex | Landline |
| 978-436 | North Billerica | Middlesex | Landline |
| 978-788 | Lowell | Middlesex | Landline |
| 978-424 | Fitchburg | Worcester | Landline |
| 978-702 | Haverhill | Essex | Landline |
| 978-469 | Haverhill | Essex | Landline |
| 978-222 | Cambridge | Middlesex | Landline |
| 978-480 | West Townsend | Middlesex | Landline |
| 978-538 | Peabody | Essex | Landline |
| 978-224 | Salem | Essex | Landline |
| 978-498 | Salem | Essex | Landline |
| 978-608 | North Billerica | Middlesex | Landline |
| 978-753 | Wilmington | Middlesex | Landline |
| 978-865 | Gloucester | Essex | Landline |
| 978-734 | Concord | Middlesex | Wireless |
| 978-301 | Petersham | Worcester | Landline |
| 978-491 | Gloucester | Essex | Landline |