| Area Code 978 Details | |
|---|---|
| Country | United States |
| State/Province | Massachusetts |
| Major City | Boston |
| Time Zone | Eastern |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 978-491 | Essex | Landline | Active |
| 978-492 | Middlesex | Landline | Active |
| 978-493 | Middlesex | Landline | Active |
| 978-494 | Essex | Landline | Active |
| 978-495 | Middlesex | Landline | Active |
| 978-496 | Middlesex | Landline | Active |
| 978-497 | Middlesex | Landline | Active |
| 978-498 | Essex | Landline | Active |
| 978-499 | Essex | Landline | Active |
| 978-500 | Essex | Cell Number | Active |
| 978-501 | Middlesex | Cell Number | Active |
| 978-502 | Worcester | Cell Number | Active |
| 978-503 | Worcester | Landline | Active |
| 978-504 | Essex | Cell Number | Active |
| 978-505 | Middlesex | Cell Number | Active |
| 978-506 | Middlesex | Landline | Active |
| 978-507 | Middlesex | Cell Number | Active |
| 978-509 | Essex | Cell Number | Active |
| 978-510 | Essex | Landline | Active |
| 978-512 | Middlesex | Cell Number | Active |