203 Area Code Phone Directory

Information for Area Code 203

State: CT
Largest City in Area: NEW HAVEN

Where is Area Code 203?

Area code (203) is in the state of CT. Below, are the major cities in the area code (203).

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

06091
06251
06265
06401
06403
06404
06405
06408
06410
06411
06418
06437
06440
06443
06450
06451
06460
06461
06468
06470