| 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 |
|---|---|---|---|
| 978-415 | Berlin | Worcester | Landline |
| 978-670 | North Billerica | Middlesex | Landline |
| 978-290 | Gloucester | Essex | Wireless |
| 978-628 | Templeton | Worcester | Landline |
| 978-451 | Concord | Middlesex | Landline |
| 978-221 | Lowell | Middlesex | Wireless |
| 978-951 | Littleton | Middlesex | Landline |
| 978-832 | Boston | Suffolk | Landline |
| 978-775 | Andover | Essex | Landline |
| 978-418 | Lowell | Middlesex | Landline |
| 978-687 | Lawrence | Essex | Landline |
| 978-914 | Haverhill | Essex | Wireless |
| 978-326 | Peabody | Essex | Landline |
| 978-610 | Cambridge | Middlesex | Landline |
| 978-207 | Lowell | Middlesex | Landline |
| 978-584 | North Billerica | Middlesex | Landline |
| 978-404 | Lawrence | Essex | Wireless |
| 978-712 | Beverly | Essex | Landline |
| 978-795 | Southborough | Worcester | Landline |
| 978-228 | Haverhill | Essex | Wireless |