| 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 |
|---|---|---|---|
| 978-363 | West Newbury | Essex | Landline |
| 978-367 | Lowell | Middlesex | Landline |
| 978-738 | Lawrence | Essex | Landline |
| 978-435 | North Billerica | Middlesex | Landline |
| 978-924 | Wilmington | Middlesex | Wireless |
| 978-821 | North Billerica | Middlesex | Wireless |
| 978-598 | Clinton | Worcester | Landline |
| 978-691 | Lawrence | Essex | Landline |
| 978-729 | North Billerica | Middlesex | Wireless |
| 978-481 | Princeton | Worcester | Landline |
| 978-995 | Lowell | Middlesex | Landline |
| 978-223 | Danvers | Essex | Landline |
| 978-605 | Danvers | Essex | Landline |
| 978-893 | Boxborough | Middlesex | Landline |
| 978-340 | Fitchburg | Worcester | Landline |
| 978-733 | Clinton | Worcester | Landline |
| 978-369 | Concord | Middlesex | Landline |
| 978-447 | Lowell | Middlesex | Landline |
| 978-381 | Gloucester | Essex | Landline |
| 978-750 | Danvers | Essex | Landline |