Area Code 341
Area code 341 covers San Jose and nearby cities including Oakland, Fremont, Hayward in California, in the Pacific Time.
Is a call from 341 a scam? Who called me from 341?
Cities in area code 341
San Jose, Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda, Union City, Newark, Castro Valley, El Cerrito
Area codes by city
Other California area codes
- 209 — Stockton
- 213 — Los Angeles
- 279 — Sacramento
- 310 — Los Angeles
- 323 — Los Angeles
- 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)
- 831 — Salinas
- 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.