Riverside County · California
Riverside, CA area codes and time zone
Quick answer
Riverside is served by area codes 510, 909, 951, keeps PST time (GMT-7), and sits in county FIPS 06065.
- Area codes
- 510 · 909 · 951Within 25 miles of the city centre
- Time zone
- PSTAmerica/Los_Angeles
- UTC offset
- GMT-7PDT in summer
- County FIPS
- 06065Riverside County
Dialling from and to Riverside
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 Riverside
Other reference data for this city.