Contra Costa Postcodes & ZIP Codes

Discover all postcodes in Contra Costa, California, United States. Browse cities, disctricts and locations to find accurate postcode information for this region.

Postal Codes Without State

A
Alamo
94507
Antioch
94509 94531
B
Bethel Island
94511
Brentwood
94513
Byron
94514
C
Canyon
94516
Clayton
94517
Concord
94518 94519 94520 94521 94522 94524 94527 94529
Crockett
94525
D
Danville
94506 94526
Diablo
94528
Discovery Bay
94505
E
El Cerrito
94530
El Sobrante
94803 94820
H
Hercules
94547
K
Knightsen
94548
L
Lafayette
94549
M
Martinez
94553
Moraga
94556 94570 94575
O
Oakley
94561
Orinda
94563
P
Pinole
94564
Pittsburg
94565
Pleasant Hill
94523
Port Costa
94569
R
Richmond
94801 94802 94804 94805 94807 94808 94850
Rodeo
94572
S
San Pablo
94806
San Ramon
94582 94583
W
Walnut Creek
94595 94596 94597 94598
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Region information
Population 39,272
Latitude 37.90
Longtitude -121.605
Timezone America/New_York
Total Postcodes 52