New Castle, DE Area Codes
New Castle is served by area code 302. It is in Delaware, New Castle County. About 62,392 people live in its 3 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 302 |
| State / province | Delaware |
| County | New Castle County |
| Population | 62,392 |
| ZIP codes | 3 |
| Time zone | Eastern |
| Coordinates | 39.6240, -75.5893 |
What area code is New Castle in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 302 | Delaware | 1,021,605 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
How to dial
Dial 302 + 7 digits for a number in New Castle, or +1 302 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.