Area Code 313 Michigan, USA

WhereCall is here to provide you with the most information on the area code 313, located in Michigan, USA. This area code contains 671 prefixes and is not in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.


NPA Information
Area Code (NPA) 313
NPA Status Active
Location Michigan, USA
In Jeopardy? No
Is Assigned? Yes
Assignment Date 01 Jan 1947
In Service? Yes
In Service Date 01 Jan 1947
Overlay Yes
Overlay Complex 313/679
Predominant Timezone(s) UTC-05:00
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