203 area code
Area code 203 is in Connecticut, including New Haven, Stamford, Norwalk and Bridgeport. It's on Eastern Time.
Eastern Time
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Is it a good time to call 203?
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 203
| City | Time zone |
|---|---|
| New Haven, CT | Eastern Time |
| Stamford, CT | Eastern Time |
| Norwalk, CT | Eastern Time |
| Bridgeport, CT | Eastern Time |
| Greenwich, CT | Eastern Time |
| Waterbury, CT | Eastern Time |
| Milford, CT | Eastern Time |
| Shelton, CT | Eastern Time |
| Meriden, CT | Eastern Time |
| Danbury, CT | Eastern Time |
| Westport, CT | Eastern Time |
| Stratford, CT | Eastern Time |
Other area codes in Connecticut
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 203?
Area code 203 is in Connecticut, including New Haven, Stamford, Norwalk and Bridgeport.
What time zone is area code 203?
203 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 203 right now?
The live clock at the top of this page shows the current local time in area code 203.