Covers northwestern California
In service since 1959
Split from area code 415
Overlay with 369

City facts
Area codes for northwestern California: history, overlays and how to dial.
Santa Rosa uses area codes 707 and 369. Because more than one area code serves the same area, local calls need all ten digits.
Covers northwestern California
In service since 1959
Split from area code 415
Overlay with 369
Covers northwestern California
In service since 2023
Overlay with 707
1 (707) 555-0123Dial 1, the area code, then the seven-digit number.(707) 555-0123Overlay area: always include the area code.+1 707 555 0123Use your country's exit code or +, then 1 for the US.Santa Rosa is on Pacific Time (PT); check the time before calling from another zone.
| Area code | Used in | Distance |
|---|---|---|
| 510 | Richmond | 40 mi |
| 341 | Richmond | 40 mi |
| 925 | Concord | 49 mi |
Santa Rosa was incorporated on March 26, 1868.
Dates, namesake and elevation from Wikipedia: Santa Rosa, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Santa Rosa uses area codes 707 and 369. Because more than one area code serves the same area, local calls need all ten digits.
Area code 707 dates from 1959, when it was split from area code 415.
Area code 369 dates from 2023.
Yes. 707 and 369 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
Santa Rosa is on Pacific Time (PT).
Other cities in this network that share 707 and 369 include Vallejo, Fairfield.
Sources: Area codes 707 and 369, Area codes 707 and 369 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.