203 Area Code Information
State: CT
Largest City in Area: NEW HAVEN
Where is Area Code 203? Area code (203) is in the state of CT. The PeopleSearchNow database has 5,519,782 records on file with a phone number in the area code of (203). Below, are the major cities in the area code (203).
Area Codes Starting with 2
Major Cities in 203
- NEW HAVEN, CT (653,481)
- BRIDGEPORT, CT (631,675)
- STAMFORD, CT (495,496)
- WATERBURY, CT (457,228)
- NORWALK, CT (423,306)
- WEST HAVEN, CT (344,310)
- HAMDEN, CT (339,590)
- MILFORD, CT (311,139)
- DANBURY, CT (310,733)
- STRATFORD, CT (294,982)
Zip Codes in 203
- 06405
- 06450
- 06460
- 06484
- 06492
- 06511
- 06513
- 06514
- 06516
- 06604
- 06606
- 06610
- 06611
- 06614
- 06705
- 06708
- 06810
- 06824
- 06851
- 06902