Connecticut
203 Area Code
The 203 Area Code in Connecticut includes 148 cities. The cities in this area code are listed below.
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Visit AreaCodeLookup.co for reverse phone number lookups, and find area code locations by US phone numbers, city or state.203 Area Code City Listings
- Ansonia
- Ansonia (Town)
- Ball Pond
- Beacon Falls
- Bethany
- Bethel
- Bethel (CDP)
- Bethlehem
- Bethlehem Village
- Bigelow Corners
- Bogus Hill
- Botsford
- Branchville
- Branford
- Branford Center
- Bridgeport
- Bridgeport (Town)
- Brookfield
- Brookfield Center
- Byram
- Candlewood Isle
- Candlewood Knolls
- Candlewood Orchards
- Candlewood Shores
- Cannondale
- Cheshire
- Cheshire Village
- Coleytown
- Compo
- Cos Cob
- Danbury
- Danbury (Town)
- Daniels Farm
- Darien
- Darien Downtown
- Derby
- Derby (Town)
- Dodgingtown
- East Haven
- East Haven (CDP)
- East Village
- Easton
- Fairfield
- Fairfield University
- Georgetown
- Glenville
- Greens Farms
- Greenwich
- Greenwich (CDP)
- Guilford
- Guilford Center
- Hamden
- Hawleyville
- Heritage Village
- Indian Field
- Inglenook
- Kellogg Point
- Knollcrest
- Lakes East
- Lakes West
- Long Hill
- Lordship
- Madison
- Madison Center
- Mamanasco Lake
- Meriden
- Meriden (Town)
- Middlebury
- Milford
- Mill Plain
- Monroe
- Murray
- Naugatuck
- Naugatuck (Town)
- New Canaan
- New Canaan (CDP)
- New Fairfield
- New Haven
- New Haven (Town)
- Newtown
- Newtown (Town)
- Noroton
- Noroton Heights
- North Branford
- North Haven
- North Haven (CDP)
- Northford
- Norwalk
- Norwalk (Town)
- Old Greenwich
- Old Hill
- Orange
- Orange (CDP)
- Oronoque
- Oxford
- Pemberwick
- Plattsville
- Poplar Plains
- Prospect
- Quinnipiac University
- Redding
- Redding Center
- Ridgebury
- Ridgefield
- Ridgefield (CDP)
- Riverside
- Rock Ridge
- Route 7 Gateway
- Sacred Heart University
- Sail Harbor
- Sandy Hook
- Saugatuck
- Seymour
- Shelton
- Shelton (Town)
- South Wilton
- Southbury
- Southport
- Stamford
- Stamford (Town)
- Staples
- Stepney
- Stratford
- Stratford Downtown
- Tashua
- Taylor Corners
- Tokeneke
- Topstone
- Trumbull
- Trumbull Center
- Wallingford
- Wallingford Center
- Waterbury
- Waterbury (Town)
- West Haven
- West Haven (Town)
- West Mountain
- Weston
- Weston (CDP)
- Westport
- Westport Village
- Wilton
- Wilton Center
- Wolcott
- Woodbridge
- Woodbury
- Woodbury Center
- Woodmont
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