WhereCall is here to provide you with the most information on the area code 831, located in CALIFORNIA.

NPA Information
Area Code (NPA) 831
In Jeopardy? No
Is Assigned? Yes
Assignment Date 22 May 1997
In Service? Yes
In Service Date 11 Jul 1998
Parent NPA 408
Overlay No
Predominant Timezone(s) UTC-08:00

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