Discover the complete collection of Contra Costa County zip codes on this page.
Categorized by city for your convenience, this list covers every corner of the county, from Richmond to Concord.
It’s an essential tool for individuals and businesses alike, facilitating postal services, logistical planning, and geographic orientation within Contra Costa County.
| Zip Code | City | County |
|---|---|---|
| 94506 | Blackhawk | Contra Costa County |
| 94506 | Danville | Contra Costa County |
| 94507 | Alamo | Contra Costa County |
| 94509 | Antioch | Contra Costa County |
| 94511 | Bethel Island | Contra Costa County |
| 94513 | Brentwood | Contra Costa County |
| 94514 | Byron | Contra Costa County |
| 94514 | Discovery Bay | Contra Costa County |
| 94516 | Canyon | Contra Costa County |
| 94517 | Clayton | Contra Costa County |
| 94518 | Concord | Contra Costa County |
| 94519 | Concord | Contra Costa County |
| 94520 | Concord | Contra Costa County |
| 94521 | Concord | Contra Costa County |
| 94522 | Concord | Contra Costa County |
| 94523 | Concord | Contra Costa County |
| 94523 | Pleasant Hill | Contra Costa County |
| 94524 | Concord | Contra Costa County |
| 94525 | Crockett | Contra Costa County |
| 94526 | Danville | Contra Costa County |
| 94527 | Concord | Contra Costa County |
| 94528 | Diablo | Contra Costa County |
| 94530 | El Cerrito | Contra Costa County |
| 94530 | Richmond | Contra Costa County |
| 94531 | Antioch | Contra Costa County |
| 94547 | Rodeo | Contra Costa County |
| 94547 | Hercules | Contra Costa County |
| 94548 | Knightsen | Contra Costa County |
| 94549 | Lafayette | Contra Costa County |
| 94553 | Pacheco | Contra Costa County |
| 94553 | Martinez | Contra Costa County |
| 94556 | Moraga | Contra Costa County |
| 94561 | Oakley | Contra Costa County |
| 94563 | Orinda | Contra Costa County |
| 94564 | Pinole | Contra Costa County |
| 94565 | Bay Point | Contra Costa County |
| 94565 | Pittsburg | Contra Costa County |
| 94569 | Port Costa | Contra Costa County |
| 94570 | Moraga | Contra Costa County |
| 94572 | Rodeo | Contra Costa County |
| 94575 | Moraga | Contra Costa County |
| 94583 | San Ramon | Contra Costa County |
| 94595 | Walnut Creek | Contra Costa County |
| 94596 | Walnut Creek | Contra Costa County |
| 94597 | Walnut Creek | Contra Costa County |
| 94598 | Walnut Creek | Contra Costa County |
| 94801 | North Richmond | Contra Costa County |
| 94801 | Point Richmond | Contra Costa County |
| 94801 | Richmond | Contra Costa County |
| 94802 | Richmond | Contra Costa County |
| 94803 | El Sobrante | Contra Costa County |
| 94803 | Richmond | Contra Costa County |
| 94804 | Richmond | Contra Costa County |
| 94805 | Richmond | Contra Costa County |
| 94806 | Hilltop Mall | Contra Costa County |
| 94806 | Richmond | Contra Costa County |
| 94806 | San Pablo | Contra Costa County |
| 94807 | Richmond | Contra Costa County |
| 94808 | Richmond | Contra Costa County |
| 94820 | El Sobrante | Contra Costa County |
| 94820 | Richmond | Contra Costa County |
| 94850 | Richmond | Contra Costa County |
Zip code lists for other counties in the San Francisco Bay Area:
