Derby, CT Area Codes
Derby is served by area codes 203 and 475. It is in Connecticut, New Haven County. About 12,205 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 203, 475 |
| State / province | Connecticut |
| County | New Haven County |
| Population | 12,205 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 41.3261, -73.0826 |
What area code is Derby in?
ZIP codes in the code footprint
Nearby towns and their area codes
Ansonia 203, 475Shelton 203, 475Seymour 203, 475Orange 203, 475Milford 203, 475West Haven 203, 475Monroe 203, 475Trumbull 203, 475
How to dial
Dial 203 + 7 digits for a number in Derby, or +1 203 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.