203
Connecticut (CT)
By Area Code
By State
All
200
300
400
500
600
700
800
900
Cities Covered by
203
Area Code
Ansonia
Avon
Botsford
Briarcliff Manor
Bristol
Carmel
Chappaqua
Cheshire
Cos Cob
Danbury
Darien
Derby
Easton
Fairfield
Georgetown
Granby
Guilford
Hartford
Mansfield Depot
Middlebury
Middlefield
Middletown
Milford
Monroe
Naugatuck
New Canaan
New Fairfield
New York
Newtown
North Haven
North Salem
Northford
Norwalk
Oakdale
Old Greenwich
Patterson
Prospect
Ridgefield
Sandy Hook
Shelton
South Windsor
Southbury
Southport
Stamford
Wallingford
Weston
Westport
White Plains
Woodbridge
Woodbury
Beacon Falls
Bethany
Bethel
Bethlehem
Branford
Brewster
Bridgeport
Brookfield
East Haven
Glastonbury
Greens Farms
Greenwich
Hamden
Hartsdale
Hawleyville
Hawthorne
Killingworth
Madison
Meriden
Milldale
New Haven
New Milford
North Branford
Orange
Oxford
Pleasantville
Redding
Redding Center
Redding Ridge
Riverside
Seymour
South Britain
South Willington
Staten Island
Stevenson
Stratford
Thornwood
Trumbull
Valhalla
Waterbury
West Harrison
West Hartford
West Haven
Wilton
Wolcott
Woodbury
Related Area Codes
203
,
212
,
516
,
631
,
646
,
718
,
917
,
347
,
914
,
845
,
860