USA Area Codes
New Haven Area Code 203
The city of New Haven is one of the most famous cities in the state of Connecticut. The US country Code is +1 and the New Haven area code is 203. For local calls is no area code required.
If you want to call from Hartford to New Haven you have to dial +1 203 and the telephone number of the person you want to reach. To call outside the USA you have to dial the country code of the country you want to reach, the local area code and the local telephone number.
The following list shows Cities located close to New Haven:
| Area | Area Code |
|---|---|
| East Haven | 203 |
| Hamden | 203 |
| Milford | 203 |
| North Haven | 203 |
| South Britain | 203 |
| Wallingford | 203 |
Last change: 23.04.2007
