ZIP Code 94558

94558 is one of California's ZIP codes, delivering to addresses in Napa, Napa County.

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

Where this code sits

94558 is part of the 945xx range, the group of codes handled by one mail processing centre. Napa is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Napa page.

Napa California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 94558 delivers to without sharing its boundary.

ZIP codes nearest 94558

The ZIP codes whose reference points sit closest to 94558.
ZIP code	Distance	Delivers to
ZIP code 94599	6.7 mi	Yountville, CA
ZIP code 94562	7.8 mi	Oakville, CA
ZIP code 94573	9.0 mi	Rutherford, CA
ZIP code 94581	11 mi	Napa, CA
ZIP code 94559	12 mi	Napa, CA
ZIP code 94574	12 mi	Saint Helena, CA
ZIP code 95696	13 mi	Vacaville, CA
ZIP code 94508	13 mi	Angwin, 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 94558, plotted from its record coordinates.

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

Scope ZIP code 94558. 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.