Area Code 431

WhereCall is here to provide you with the most information on the area code 431. This area code contains 0 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) 431
NPA Status Active
In Jeopardy? No
Is Assigned? Yes
Assignment Date 28 Jul 2010
In Service? Yes
In Service Date 03 Nov 2012
Parent NPA 204
Overlay Yes
Overlay Complex 204/431
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