Alameda County · California
Oakland, CA area codes and time zone
Quick answer
Oakland is served by area codes 415, 510, 628, 650, 707, 916, 925, keeps PST time (GMT-7), and sits in county FIPS 06001.
- Area codes
- 415 · 510 · 628 · 650 · 707 · 916 · 925Within 25 miles of the city centre
- Time zone
- PSTAmerica/Los_Angeles
- UTC offset
- GMT-7PDT in summer
- County FIPS
- 06001Alameda County
Dialling from and to Oakland
What this means when you pick up the phone.
Because more than one code covers this area, ten-digit dialling applies for local calls: area code plus number, every time. From abroad, dial +1 then the ten digits.
More on Oakland
Other reference data for this city.