WhereCall is here to provide you with the most information on the area code 858, located in CALIFORNIA.


NPA Information
Area Code (NPA) 858
Location CALIFORNIA, UNITED STATES
In Jeopardy? No
Is Assigned? Yes
Assignment Date 30 Jun 1998
In Service? Yes
In Service Date 12 Jun 1999
Parent NPA 619
Overlay No
Predominant Timezone(s) UTC-08:00

Want to report a phone call in 858?

If you’ve received a phone call from a number you didn’t recognize, leave a note about your experience. This will help others to know if they should or should not answer their phone.

Report a Caller