Guilford, CT Area Codes
Guilford is served by area codes 203 and 475. It is in Connecticut, New Haven County. About 22,067 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 203, 475 |
| State / province | Connecticut |
| County | New Haven County |
| Population | 22,067 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 41.3318, -72.6968 |
What area code is Guilford in?
ZIP codes in the code footprint
Nearby towns and their area codes
Madison 203, 475Branford 203, 475North Haven 203, 475Clinton 860, 959Wallingford 203, 475New Haven 203, 475Hamden 203, 475Cheshire 203, 475
How to dial
Dial 203 + 7 digits for a number in Guilford, or +1 203 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.