| Start Date | 05/02/2001 |
| Current Time in Area Code 351 | 351> EDT |
| Timezone | Eastern Daylight Time |
| Regional Market Area | Metro Boston |
| Population (2020) | 2441831 |
| Adjacent Area Codes | 339,413,508,603,774,781,978 |
| Overlay Area Codes | 978 |
| Essex County |
| Middlesex County |
| Beverly |
| Fitchburg |
| Gloucester |
| Haverhill |
| Lawrence |
| Leominster |
| Lowell |
| Methuen Town |
| Peabody |
| Salem |