Area Code 203

All Information about Area Code 203
General Information about Area Code 203
Country United States
State / Province / Territory Connecticut
Major City New Haven
Time Zone Eastern (UTC-05:00)

Active Prefixes in Area Code 203

Prefix Primary City County Phone Type
203-948 Danbury Fairfield Wireless
203-299 Norwalk Fairfield Landline
203-898 Darien Fairfield Landline
203-554 Stamford Fairfield Wireless
203-971 Greenwich Fairfield Landline
203-808 Waterbury New Haven Wireless
203-802 Waterbury New Haven Wireless
203-893 Ansonia New Haven Wireless
203-237 Meriden New Haven Landline
203-612 Bridgeport Fairfield Landline
203-737 New Haven New Haven Landline
203-888 Oxford New Haven Landline
203-904 Norwalk Fairfield Wireless
203-799 New Haven New Haven Landline
203-840 Norwalk Fairfield Landline
203-896 Madison New Haven Landline
203-477 New Haven New Haven Wireless
203-622 Greenwich Fairfield Landline
203-858 Norwalk Fairfield Wireless
203-456 Danbury Fairfield Wireless
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