209
Covers northern Central Valley, California
In service since 1958
Split from area code 916
Overlay with 350
City facts
Stockton area codes
Area codes for northern Central Valley, California: history, overlays and how to dial.
209350
Stockton uses area codes 209 and 350. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
350
Covers northern Central Valley, California
Overlay with 209
How to call a number in Stockton
Inside the US
1 (209) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(209) 555-0123Overlay area: always include the area code.From outside the US
+1 209 555 0123Use your country's exit code or +, then 1 for the US.Stockton is on Pacific Time (PT); check the time before calling from another zone.
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 925 | Antioch | 28 mi |
| 707 | Fairfield | 46 mi |
| 369 | Fairfield | 46 mi |
| 916 | Folsom | 50 mi |
| 279 | Folsom | 50 mi |
| 408 | Santa Clara | 56 mi |
| 669 | Santa Clara | 56 mi |
| 510 | Richmond | 58 mi |
Stockton quick facts
Stockton was founded in 1849 and incorporated on July 23, 1850. It is named for Robert F. Stockton.
Founded1849
Incorporated1850July 23, 1850
CountySan Joaquin CountyCalifornia
Area codes209, 350Population320,470Census ACS estimateZIP codes1095202, 95203, 95204…Elevation13 ft4 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: Stockton, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Stockton?
Stockton uses area codes 209 and 350. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 209 start?
Area code 209 dates from 1958, when it was split from area code 916.
Do I need to dial the area code for local calls in Stockton?
Yes. 209 and 350 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 209 in?
Stockton is on Pacific Time (PT).
Sources: Area codes 209 and 350, Area codes 209 and 350 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.