Area code 203
Area code 203 is a Connecticut area code, in service since 1947.
475 serves the same area as an overlay, so neighbors can have numbers in any of these codes.
Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
It is in the Eastern Time zone.
- State
- Connecticut
- In service since
- 1947
- Overlays
- 475
- Local dialing
- ten digits; dialing 1 plus ten digits also works
- Time zone
- Eastern Time
- ZIP codes
- 87
Map
Main cities in area code 203
Overlays and neighboring area codes
Overlay, serving the same area: 475.
Neighboring area codes: 718, 860, 201, 914, 845, 631, 212, 516.
Counties in area code 203
Towns in area code 203
- New Haven
- Stamford
- Waterbury
- Bridgeport
- Norwalk
- Danbury
- Wallingford
- Westport
- Cheshire
- Fairfield
- Greenwich
- Hamden
- Meriden
- Milford
- Ridgefield
- Stratford
- Ansonia
- Beacon Falls
- Bethany
- Bethel
- Botsford
- Branford
- Brookfield
- Cos Cob
- Darien
- Derby
- Easton
- Georgetown
- Greens Farms
- Guilford
- Hawleyville
- Madison
- Middlebury
- Monroe
- Naugatuck
- New Canaan
- New Fairfield
- Newtown
- North Branford
- North Haven
- Northford
- Old Greenwich
- Orange
- Oxford
- Prospect
- Redding
- Redding Center
- Redding Ridge
- Riverside
- Sandy Hook
- Seymour
- Shelton
- Sherman
- South Britain
- Southbury
- Southport
- Stevenson
- Trumbull
- West Haven
- Weston
And 68 more towns: every town in Connecticut.
Local numbers in area code 203
These 203 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (203) 721-8777Waterbury, CTAlso spells USPS$199View & buy
- (203) 859-9777North Haven, CT$199View & buy
- (203) 859-9888North Haven, CT$199View & buy
- (203) 859-9898North Haven, CT$299View & buy
- (203) 447-6767Huntington, CT$399View & buy
- (203) 705-2020Stamford, CT$449View & buy
- (203) 721-8778Waterbury, CT$99View & buy
- (203) 859-9889North Haven, CT$99View & buy
- (203) 447-8898Huntington, CT$149View & buy
- (203) 463-6363Seymour, CTAlso spells MEME$299View & buy
- (203) 705-4040Stamford, CT$299View & buy
- (203) 721-8877Waterbury, CT$299View & buy
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