Contra Costa County ZIP Codes
California (CA) · 52 records
| ZIP | City | Type | Timezone | Area Codes |
|---|---|---|---|---|
| 94505 | Discovery Bay | STANDARD | America/Los_Angeles | 209, 350, 925 |
| 94506 | Danville | STANDARD | America/Los_Angeles | 925 |
| 94507 | Alamo | STANDARD | America/Los_Angeles | 925 |
| 94509 | Antioch | STANDARD | America/Los_Angeles | 925 |
| 94511 | Bethel Island | PO BOX | America/Los_Angeles | 925 |
| 94513 | Brentwood | STANDARD | America/Los_Angeles | 209, 350, 925 |
| 94514 | Byron | STANDARD | America/Los_Angeles | 209, 350, 925 |
| 94516 | Canyon | PO BOX | America/Los_Angeles | 341, 510, 925 |
| 94517 | Clayton | STANDARD | America/Los_Angeles | 925 |
| 94518 | Concord | STANDARD | America/Los_Angeles | 925 |
| 94519 | Concord | STANDARD | America/Los_Angeles | 925 |
| 94520 | Concord | STANDARD | America/Los_Angeles | 925 |
| 94521 | Concord | STANDARD | America/Los_Angeles | 925 |
| 94522 | Concord | PO BOX | America/Los_Angeles | 925 |
| 94523 | Pleasant Hill | STANDARD | America/Los_Angeles | 925 |
| 94524 | Concord | PO BOX | America/Los_Angeles | 925 |
| 94525 | Crockett | STANDARD | America/Los_Angeles | 341, 510 |
| 94526 | Danville | STANDARD | America/Los_Angeles | 925 |
| 94527 | Concord | PO BOX | America/Los_Angeles | 925 |
| 94528 | Diablo | PO BOX | America/Los_Angeles | 925 |
| 94529 | Concord | UNIQUE | America/Los_Angeles | 925 |
| 94530 | El Cerrito | STANDARD | America/Los_Angeles | 341, 510 |
| 94531 | Antioch | STANDARD | America/Los_Angeles | 925 |
| 94547 | Hercules | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94548 | Knightsen | PO BOX | America/Los_Angeles | 925 |
| 94549 | Lafayette | STANDARD | America/Los_Angeles | 925 |
| 94553 | Martinez | STANDARD | America/Los_Angeles | 341, 510, 707, 925 |
| 94556 | Moraga | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94561 | Oakley | STANDARD | America/Los_Angeles | 925 |
| 94563 | Orinda | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94564 | Pinole | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94565 | Pittsburg | STANDARD | America/Los_Angeles | 707, 925 |
| 94569 | Port Costa | PO BOX | America/Los_Angeles | 341, 510, 925 |
| 94570 | Moraga | PO BOX | America/Los_Angeles | 925 |
| 94572 | Rodeo | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94575 | Moraga | STANDARD | America/Los_Angeles | 925 |
| 94582 | San Ramon | STANDARD | America/Los_Angeles | 925 |
| 94583 | San Ramon | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94595 | Walnut Creek | STANDARD | America/Los_Angeles | 925 |
| 94596 | Walnut Creek | STANDARD | America/Los_Angeles | 925 |
| 94597 | Walnut Creek | STANDARD | America/Los_Angeles | 925 |
| 94598 | Walnut Creek | STANDARD | America/Los_Angeles | 925 |
| 94801 | Richmond | STANDARD | America/Los_Angeles | 341, 415, 510, 628 |
| 94802 | Richmond | PO BOX | America/Los_Angeles | 510 |
| 94803 | El Sobrante | STANDARD | America/Los_Angeles | 341, 510, 925 |
| 94804 | Richmond | STANDARD | America/Los_Angeles | 341, 510 |
| 94805 | Richmond | STANDARD | America/Los_Angeles | 341, 510 |
| 94806 | San Pablo | STANDARD | America/Los_Angeles | 341, 510 |
| 94807 | Richmond | PO BOX | America/Los_Angeles | 510 |
| 94808 | Richmond | PO BOX | America/Los_Angeles | 510 |
| 94820 | El Sobrante | PO BOX | America/Los_Angeles | 510 |
| 94850 | Richmond | STANDARD | America/Los_Angeles | 510 |