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Contra Costa County, California ZIP Codes

ZIP Codes in Contra Costa County with Associated Cities & Towns

Contra Costa County, CA - Standard ZIP Codes

94505 | 94506 | 94507 | 94509 | 94513 | 94514 | 94517 | 94518 | 94519 | 94520 | 94521 | 94523 | 94525 | 94526 | 94530 | 94531 | 94547 | 94549 | 94551 | 94553 | 94556 | 94561 | 94563 | 94564 | 94565 | 94572 | 94575 | 94582 | 94583 | 94595 | 94596 | 94597 | 94598 | 94706 | 94707 | 94708 | 94801 | 94803 | 94804 | 94805 | 94806 | 94850

Contra Costa County, CA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)

94511 | 94516 | 94522 | 94524 | 94527 | 94528 | 94548 | 94569 | 94570 | 94802 | 94807 | 94808 | 94820

Contra Costa County, CA - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA)

94529

Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.

ZIP Codes in Contra Costa County Address Data

Businesses Addresses: 36,341
PO Box Addresses: 18,471
Residential Addresses: 452,231

Multi-Family Addresses: 79,231
Single Family Addresses: 370,587

Map of Contra Costa County, CA ZIP Codes With Actual (Default) City Names

Alamo
Antioch
Bethel Island
Brentwood
Byron
Canyon
Clayton
Concord
Crockett
Danville
Diablo
Discovery Bay
El Cerrito
El Sobrante
Hercules
Knightsen
Lafayette
Martinez
Moraga
Oakley
Orinda
Pinole
Pittsburg
Pleasant Hill
Port Costa
Richmond
Rodeo
San Pablo
San Ramon
Walnut Creek

Contra Costa County, California ZIP Codes

ZIP Codes in Contra Costa County with Associated Cities & Towns

ZIP Codes in Contra Costa County Address Data

Map of Contra Costa County, CA ZIP Codes With Actual (Default) City Names

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