Napa County Zip Codes

Access our full listing of Napa County zip codes, systematically arranged by city.

As the heart of California’s wine country, Napa County’s diverse regions from Napa to Yountville are all covered here.

This list is perfect for those requiring precise postal details for shipping, exploring vineyards, or conducting research in Napa County.

Zip CodeCityCounty
94503American CanyonNapa County
94503VallejoNapa County
94508AngwinNapa County
94515CalistogaNapa County
94558Spanish FlatNapa County
94558NapaNapa County
94559NapaNapa County
94562OakvilleNapa County
94567Pope ValleyNapa County
94573RutherfordNapa County
94574St. HelenaNapa County
94576Deer ParkNapa County
94576AngwinNapa County
94581NapaNapa County
94599YountvilleNapa County