Area Code 650
Area code 650 covers Palo Alto and nearby cities including Daly City, San Mateo, Redwood City in California, in the Pacific Time.
Is a call from 650 a scam? Who called me from 650?
Cities in area code 650
Palo Alto, Daly City, San Mateo, Redwood City, Mountain View, South San Francisco, San Bruno, Pacifica, Belmont, Burlingame, East Palo Alto, Foster City
Area codes by city
- Palo Alto area codes
- San Mateo area codes
- Mountain View area codes
- Redwood City area codes
- Daly City area codes
Carriers in area code 650
Area code 650 spans 711 prefixes, about 29% wireless. Top carriers: PACIFIC BELL, ONVOY, LLC - CA, T-MOBILE USA, INC., NEW CINGULAR WIRELESS PCS, LLC. Look up the carrier for a 650 number.
Other California area codes
- 209 — Stockton
- 213 — Los Angeles
- 279 — Sacramento
- 310 — Compton
- 323 — Los Angeles
- 341 — Oakland
- 350 — Stockton
- 357 — Fresno
- 369 — Santa Rosa
- 408 — San Jose
- 415 — San Francisco
- 424 — Compton
- 442 — Victorville
- 510 — Oakland
- 530 — Marysville
- 559 — Fresno
- 562 — Long Beach
- 619 — San Diego
- 626 — Alhambra
- 628 — San Francisco
- 657 — Anaheim
- 661 — Bakersfield
- 669 — San Jose
- 707 — Santa Rosa
- 714 — Anaheim
- 738 — Los Angeles
- 747 — San Fernando
- 760 — Oceanside
- 805 — Oxnard
- 818 — Van Nuys
- 820 — Camarillo
- 831 — Salinas
- 837 — Redding
- 840 — Pomona
- 858 — San Diego
- 909 — Ontario
- 916 — Sacramento
- 925 — Concord
- 949 — Irvine
- 951 — Riverside
Nearby area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.