Groton, CT Area Codes
Groton is served by area codes 860 and 959. It is in Connecticut, New London County. About 29,863 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 860, 959 |
| State / province | Connecticut |
| County | New London County |
| Population | 29,863 |
| ZIP codes | 2 |
| Time zone | Eastern |
| Coordinates | 41.3771, -72.0653 |
What area code is Groton in?
ZIP codes in the code footprint
Nearby towns and their area codes
New London 860, 959Waterford 860, 959Mystic 860, 959Ledyard 860, 959Uncasville 860, 959Niantic 860, 959Pawcatuck 860, 959Norwich 860, 959
How to dial
Dial 860 + 7 digits for a number in Groton, or +1 860 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.