Area Code 203
Information on the 203 Area Code
This area code is located in CT. Coverage includes the following cities:
Ansonia-derby
Billing Only
Branford
Bridgeport
Byram
Cheshire
Community Support And Referral Services
Danbury
Darien
Directory Assistance
Emergency Services
Fairfield
Fgb Access Code
Georgetown
Greenwich
Guilford
Huntington
Information Provider
Intralata Pic Validation
Madison
Meriden
Milford
Naugatuck
New Canaan
New Haven
Newtown
Non Emergency Police And Other Governmental Services
Norwalk
Old Greenwich
One Call Services-pipeline And Utility Safety
Redding
Ridgefield
Seymour
Stamford
Standard Plant Test Code
Telco Repair Service
Telecommunications Relay Service
Travel Information Services
Trumbull
Unavailable For Assignment
Wallingford
Waterbury
Westport
Wilton
Wolcott
Woodbury