Area Code 408 California, USA

WhereCall is here to provide you with the most information on the area code 408, located in California, USA. This area code contains 800 prefixes and is in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.

NPA Information
Area Code (NPA)408
LocationCalifornia, USA
In Jeopardy?Yes
Is Assigned?Yes
In Service?Yes
In Service Date01 Jan 1959
Parent NPA415
Overlay Complex408/669
Predominant Timezone(s)UTC-08:00
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