| 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 |
|---|---|---|---|
| 978-321 | Winchendon | Worcester | Landline |
| 978-552 | Lawrence | Essex | Landline |
| 978-596 | Lowell | Middlesex | Landline |
| 978-709 | Athol | Worcester | Landline |
| 978-822 | Shirley | Middlesex | Landline |
| 978-971 | Haverhill | Essex | Wireless |
| 978-534 | Leominster | Worcester | Landline |
| 978-719 | Andover | Essex | Landline |
| 978-403 | Lunenburg | Worcester | Landline |
| 978-915 | Cambridge | Middlesex | Landline |
| 978-835 | Lawrence | Essex | Wireless |
| 978-527 | Boston | Suffolk | Landline |
| 978-386 | Ashby | Middlesex | Landline |
| 978-556 | Haverhill | Essex | Landline |
| 978-825 | Salem | Essex | Landline |
| 978-549 | Fitchburg | Worcester | Wireless |
| 978-429 | Boxborough | Middlesex | Landline |
| 978-616 | Winchendon | Worcester | Landline |
| 978-666 | Cambridge | Middlesex | Landline |
| 978-754 | Gardner | Worcester | Landline |