Groton, MA Area Codes
Groton is served by area codes 351 and 978. It is in Massachusetts, Middlesex County. About 11,356 people live in its 3 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 351, 978 |
| State / province | Massachusetts |
| County | Middlesex County |
| Population | 11,356 |
| ZIP codes | 3 |
| Time zone | Eastern |
| Coordinates | 42.6113, -71.5712 |
What area code is Groton in?
ZIP codes in the code footprint
Nearby towns and their area codes
Pepperell 351, 978Littleton 978Westford 351, 508, 978Lunenburg 351, 978Tyngsboro 351, 978North Chelmsford 351, 978Acton 351, 978Lancaster 351, 978
How to dial
Dial 351 + 7 digits for a number in Groton, or +1 351 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.