Area Code 858 California, USA

WhereCall is here to provide you with the most information on the area code 858, located in California, USA. This area code contains 430 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)858
LocationCalifornia, USA
In Jeopardy?No
Is Assigned?Yes
In Service?Yes
In Service Date12 Jun 1999
Parent NPA619
OverlayNo
Predominant Timezone(s)UTC-08:00
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