510 Area Code Information
State: CA
Largest City in Area: OAKLAND
Where is Area Code 510? Area code (510) is in the state of CA. Below, are the major cities in the area code (510).
Major Cities in 510
- OAKLAND, CA (1,361,990)
- HAYWARD, CA (720,628)
- FREMONT, CA (702,977)
- SAN LEANDRO, CA (499,355)
- BERKELEY, CA (486,012)
- SAN FRANCISCO, CA (483,882)
- RICHMOND, CA (383,958)
- ALAMEDA, CA (330,058)
- UNION CITY, CA (292,824)
- CASTRO VALLEY, CA (255,027)
Zip Codes in 510
- 94501
- 94502
- 94512
- 94525
- 94530
- 94536
- 94537
- 94538
- 94539
- 94540
- 94541
- 94542
- 94543
- 94544
- 94545
- 94546
- 94547
- 94548
- 94552
- 94555