ZIP Code 94508

94508 is one of California's ZIP codes, delivering to addresses in Angwin, Napa County.

City: Angwin
County: Napa County
State: California
Prefix: 945xx

Where this code sits

94508 is part of the 945xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Angwin.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 94508 delivers to without sharing its boundary.

ZIP codes nearest 94508

The ZIP codes whose reference points sit closest to 94508.
ZIP code	Distance	Delivers to
ZIP code 94576	2.5 mi	Deer Park, CA
ZIP code 94567	2.9 mi	Pope Valley, CA
ZIP code 94574	4.4 mi	Saint Helena, CA
ZIP code 94515	7.2 mi	Calistoga, CA
ZIP code 94573	8.3 mi	Rutherford, CA
ZIP code 94562	10 mi	Oakville, CA
ZIP code 95452	13 mi	Kenwood, CA
ZIP code 94599	13 mi	Yountville, CA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 94508, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 94508. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.