Area Code 203 Connecticut, USA

WhereCall is here to provide you with the most information on the area code 203, located in Connecticut, USA. This area code contains 800 prefixes and is in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.


NPA Information
Area Code (NPA) 203
Location Connecticut, USA
In Jeopardy? Yes
Is Assigned? Yes
Assignment Date 01 Jan 1947
In Service? Yes
In Service Date 01 Jan 1947
Overlay Yes
Overlay Complex 203/475
Predominant Timezone(s) UTC-05:00
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