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