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Oakley, CA ZIP Code

Oakley, California has one ZIP code: .

Mail addressed to Oakley covers nearby places too.

Where the 94561 ZIP code reaches

ZIP code map of Oakley, CA1 ZIP code area in Oakley: 94561. Dashed line: Oakley city limits. Grey areas: neighboring towns.9456194561BrentwoodAntiochBethel IslandStocktonKnightsen94561BrentwoodAntiochBethel IslandStocktonKnightsen

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Dashed line: Oakley city limits.

Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).

Check an address in Oakley

Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?

Oakley ZIP code questions

What is the main ZIP code for Oakley?

94561, the ZIP code of the main Oakley post office at 400 del Antico Ave.

What county is Oakley in?

Contra Costa County.

ZIP codes for towns near Oakley

Brentwood, CA1 ZIP code: 94513 · 5 milesAntioch, CA2 ZIP codes: 94509, 94531 · 6 milesPittsburg, CA1 ZIP code: 94565 · 12 milesConcord, CA9 ZIP codes: 94518, 94519, 94520 and more · 17 milesDanville, CA2 ZIP codes: 94506, 94526 · 20 milesStockton, CA19 ZIP codes: 95202, 95203, 95204 and more · 20 miles

More towns near Oakley: Walnut Creek, San Ramon, Pleasant Hill, Livermore, Tracy, Dublin, Lodi, Martinez, Lathrop.

Sources and last checked

USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.

Checked October 20, 2026. Sources · How we build our lists · Corrections