| Area Code 978 Details | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 978-513 | Middlesex | Landline | Active |
| 978-514 | Worcester | Landline | Active |
| 978-515 | Essex | Landline | Active |
| 978-516 | Worcester | Landline | Active |
| 978-517 | Essex | Landline | Active |
| 978-518 | Essex | Landline | Active |
| 978-520 | Middlesex | Landline | Active |
| 978-521 | Essex | Landline | Active |
| 978-522 | Essex | Landline | Active |
| 978-523 | Middlesex | Landline | Active |
| 978-524 | Essex | Landline | Active |
| 978-525 | Essex | Landline | Active |
| 978-526 | Essex | Landline | Active |
| 978-527 | Suffolk | Landline | Active |
| 978-528 | Middlesex | Landline | Active |
| 978-529 | Essex | Landline | Active |
| 978-530 | Essex | Landline | Active |
| 978-531 | Essex | Landline | Active |
| 978-532 | Essex | Landline | Active |
| 978-533 | Essex | Landline | Active |