858 Area Code

California, USA

Local time now · Pacific Time

12:45 AM

Area code 858 is in California, USA, serving San Diego, Tierrasanta and Solana Beach. It uses Pacific Time — the time there now is 12:45 AM. 619 is an overlay for the same area, so local calls need 10-digit dialing. In service since 1999.

Area code	858
Location	California, USA
Major cities	San Diego, Tierrasanta, Solana Beach
Time zone	Pacific Time
Overlay codes	619
In service since	1999

Other area codes in California

209 213 279 310 323 341 350 357 369 408 415 424 442 510 530 559 562 626 628 650 657 661 669 707 714 738 747 760 805 818 820 831 837 840 909 916 925 949 951

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Frequently asked questions

Where is area code 858?

California, USA — including San Diego, Tierrasanta and Solana Beach.

What time zone is area code 858?

Pacific Time.

How do I call a 858 number from abroad?

Dial your international access code, then 1 (the country code), then 858 and the 7-digit number — for example +1 858 555 0100. From the UK or India dial 00 1 858 …; from Bangladesh 00 1 858 … .

Is a call from 858 a scam?

Not by itself — 858 is an ordinary geographic area code in California. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.

Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.