Area code lookup
What area code is 858?
Here's everything about it.
Instant lookup for the 858 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
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Caller ID · NPA-NXX-XXXXLive
Area code
858
Location
San Diego (north), CA
Local time
--:--:-- --
San Diego (north)
858 at a glance
SummaryState
California
Time zone
Pacific (PT)
UTC offset
UTC−8 / −7 DST
Observes DST
Yes
Country
United States
Cities served by 858
San Diego (north)San Diego (north)
Where 858 sits on the map
No overlayCoverage area
About the 858 region
858 covers San Diego (north) in California. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 858?
Community reportsNo community reports for 858 numbers yet. Be the first to report one.
Got a call from 858 that isn't listed?
Frequently asked questions
FAQWhat area code is 858?+–
858 is a telephone area code serving San Diego (north) in California, United States.
Where is area code 858 located?+–
It covers San Diego (north) in California.
What time zone is 858?+–
858 observes Pacific (PT), which is UTC−8 / −7 DST and follows daylight saving time.
Can I get a 858 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 858 number regardless of where you physically live.