Walnut Creek, CA

ZIP Codes in Walnut Creek, California

December 31, 2025

ZIP Code	Population	Coordinates
94595	17,341	37.8721, -122.0690
94596	23,795	37.8890, -122.0368
94597	23,654	37.7772, -121.9554
94598	26,346	37.9169, -122.0149

Walnut Creek has 4 ZIP codes

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