831 Area Code

California, USA

Local time now · Pacific Time

12:46 AM

Area code 831 is in California, USA, serving Salinas, Santa Cruz, Hollister and Seaside. It uses Pacific Time — the time there now is 12:46 AM. In service since 1998.

Area code	831
Location	California, USA
Major cities	Salinas, Santa Cruz, Hollister, Seaside, Monterey, Soledad, Marina, Prunedale
Time zone	Pacific Time
In service since	1998

Other area codes in California

209 213 279 310 323 341 350 357 369 408 415 424 442 510 530 559 562 619 626 628 650 657 661 669 707 714 738 747 760 805 818 820 837 840 858 909 916 925 949 951

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Frequently asked questions

Where is area code 831?

California, USA — including Salinas, Santa Cruz, Hollister, Seaside and Monterey.

What time zone is area code 831?

Pacific Time.

How do I call a 831 number from abroad?

Dial your international access code, then 1 (the country code), then 831 and the 7-digit number — for example +1 831 555 0100. From the UK or India dial 00 1 831 …; from Bangladesh 00 1 831 … .

Is a call from 831 a scam?

Not by itself — 831 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.