United States · California · Area
Contra Costa postal codes — California, United States
Contra Costa postal code: 94583, the only code listed for Contra Costa.
Across 1 locality in Contra Costa.
Postal codes
Contra Costa postal codes
| Country | State | Area | Locality | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | California | Contra Costa | San Ramon | 94583 | 37.769917 | -121.980059 | America/Los_Angeles |
Complete dataset
59,876 rows available in United States
Get verified, enriched postal data scoped to your use case.
Get full database →About · Area
About Contra Costa
Contra Costa is an area of California, United States.
How postal codes work in Contra Costa
Every code listed here for Contra Costa begins with the prefix 94.
Need bulk or current data?
Every country is free to browse. For complete, current datasets across 247 countries — scoped to your use case — talk to our team.