New Haven, Connecticut · EST/EDT (UTC-5) · United States
New Haven, Bridgeport, Stamford, Waterbury — southwestern Connecticut
Original 1947 code. Home to Yale University in New Haven.
Area code 203 is located in New Haven, Connecticut (United States). It covers New Haven, Bridgeport, Stamford, Waterbury — southwestern Connecticut.
Area code 203 (New Haven, Connecticut) is in the EST/EDT time zone. Standard time is UTC-5 and UTC-4 during Daylight Saving Time.
Area code 203 is a legitimate NANPA-assigned code serving New Haven, Connecticut. However, scammers can spoof any area code. If you receive an unexpected call from (203), verify the caller before sharing personal information.
Area code 203 follows EST/EDT (UTC-5). See the live clock at whattime.city/new-york/ for the exact current time in New Haven.
Area code 203 was introduced in 1947. Original 1947 code. Home to Yale University in New Haven.