Area Code 831
Area code 831 covers Salinas and nearby cities including Santa Cruz, Watsonville, Hollister in California, in the Pacific Time.
Is a call from 831 a scam? Who called me from 831?
Cities in area code 831
Salinas, Santa Cruz, Watsonville, Hollister, Marina, Monterey, Seaside
Area codes by city
Other California area codes
- 209 — Stockton
- 213 — Los Angeles
- 279 — Sacramento
- 310 — Los Angeles
- 323 — Los Angeles
- 341 — San Jose
- 350 — Stockton
- 357 — Fresno
- 369 — Santa Rosa
- 408 — San Jose
- 415 — San Francisco
- 424 — Los Angeles
- 442 — Moreno Valley
- 510 — San Jose
- 530 — Chico
- 559 — Fresno
- 562 — Los Angeles
- 619 — San Diego
- 626 — Los Angeles
- 628 — San Francisco
- 650 — San Jose
- 657 — Los Angeles
- 661 — Bakersfield
- 669 — San Jose
- 707 — Santa Rosa
- 714 — Los Angeles
- 738 — Los Angeles
- 747 — Los Angeles
- 760 — Moreno Valley
- 805 — San Buenaventura (Ventura)
- 818 — Los Angeles
- 820 — San Buenaventura (Ventura)
- 837 — Chico
- 840 — Los Angeles
- 858 — San Diego
- 909 — Los Angeles
- 916 — Sacramento
- 925 — San Jose
- 949 — Long Beach
- 951 — Anaheim
Nearby area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.