Area code 858
Area code 858 is registered to San Diego, CA.
- Registered region
- San Diego, CA
- State / province
- California
- Country
- United States
- Timezone
- Pacific Time
- Local time
- —
Registration metadata only — this is the number's registered rate-center region, never a live location or an identity.
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About area code 858
In service since 1999.
Other area codes in California
Common questions
- Which country is area code 858?
- 858 is a US area code, registered to San Diego, CA. How +1 numbers work
- What time zone is area code 858 in?
- Pacific Time (America/Los_Angeles). The current local time is shown above.
- Who is calling me from a 858 number?
- An area code only shows where a number was registered, not who is calling or where they are — calling apps let anyone use a 858 number from anywhere. Before you call back, check the number's carrier, line type and spam risk.