ZIP Code 94596

Zip Code: 94596
Type: Standard
Official USPS city name: Walnut Creek
Official USPS State Code: CA
Official State Name: California
ZCTA: TRUE
Population: 21700.0
Density: 1406.3
Primary Official County Code: 6013
Primary Official County Name: Contra Costa
Official County Name: Contra Costa
Official County Code: 6013
Imprecise: FALSE
Military: FALSE
Timezone: America/Los_Angeles (02:19 AM Friday, September 25 2026-09-25 (GMT -0700))
Geo Point: 37.88907, -122.03753

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