Area code lookup
What area code is 203?
Here's everything about it.
Instant lookup for the 203 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
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Caller ID · NPA-NXX-XXXXLive
Area code
203
Location
New Haven / Bridgeport, CT
Local time
--:--:-- --
New Haven / Bridgeport
203 at a glance
SummaryState
Connecticut
Time zone
Eastern (ET)
UTC offset
UTC−5 / −4 DST
Observes DST
Yes
Country
United States
Cities served by 203
New Haven / BridgeportNew Haven / Bridgeport
Where 203 sits on the map
No overlayCoverage area
About the 203 region
203 covers New Haven / Bridgeport in Connecticut. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 203?
Community reportsNo community reports for 203 numbers yet. Be the first to report one.
Got a call from 203 that isn't listed?
Frequently asked questions
FAQWhat area code is 203?+–
203 is a telephone area code serving New Haven / Bridgeport in Connecticut, United States.
Where is area code 203 located?+–
It covers New Haven / Bridgeport in Connecticut.
What time zone is 203?+–
203 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
Can I get a 203 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 203 number regardless of where you physically live.