Walnut Creek zip code

Zip code in Walnut Creek, CA

The location Walnut Creek belongs to Contra Costa County, state of California. Walnut Creek has 4 zip codes which you can see in the following table.

Walnut Creek is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Lafayette.

Zip code	Type	Population
94595	STANDARD	16,200
94596	STANDARD	21,010
94597	STANDARD	20,890
94598	STANDARD	26,380

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