Area code 203
New Haven, Bridgeport, Stamford, Waterbury, Connecticut
203 is an area code for New Haven, Bridgeport, Stamford, Waterbury in Connecticut, United States. It uses Eastern time. It covers the same area as 475, so local calls there use all 10 digits.
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Including people in 🇺🇸 United States
- State or province
- Connecticut
- Time zone
- Eastern
- Local time
- --:--
- Same area as
- 475
Got a callfrom a 203 number?
A 203 number was first assigned in New Haven, Bridgeport, Stamford, Waterbury, but the caller could be anywhere. People keep their numbers when they move, and scammers often fake local-looking numbers.
- Don’t know the number? Let it go to voicemail.
- Says it’s your bank or a government office? Hang up and call the number on their website or your card.
- Never share codes, passwords or card details with a caller.
- Report scam calls to the FTC.
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Try your first call freeCall a 203 numberfrom any country.
The number works the same from every country. Only the start changes: + or your exit code, then 1 for the US and Canada.
- Dial + on a mobile, or your exit code (00 in most countries, 011 from the US and Canada)
- Dial 1, the country code for the US and Canada
- Dial the area code 203 and the 7-digit number