WhereCall is here to provide you with the most information on the area code 423, located in TENNESSEE.

NPA Information
Area Code (NPA) 423
In Jeopardy? No
Is Assigned? Yes
Assignment Date 22 Nov 1994
In Service? Yes
In Service Date 11 Sep 1995
Parent NPA 615
Overlay No
Predominant Timezone(s) UTC-05:00 UTC-06:00

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