ZIP Code 95403

95403 is one of California's ZIP codes, delivering to addresses in Santa Rosa, Sonoma County.

City: Santa Rosa
County: Sonoma County
State: California
Prefix: 954xx

Where this code sits

95403 is part of the 954xx range, the group of codes handled by one mail processing centre. Santa Rosa is served by 8 ZIP codes in total; the full list, with the county each falls in, is on the Santa Rosa page.

Santa Rosa California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 95403 delivers to without sharing its boundary.

ZIP codes nearest 95403

The ZIP codes whose reference points sit closest to 95403.
ZIP code	Distance	Delivers to
ZIP code 95439	1.8 mi	Fulton, CA
ZIP code 95401	2.7 mi	Santa Rosa, CA
ZIP code 95404	3.4 mi	Santa Rosa, CA
ZIP code 95402	3.6 mi	Santa Rosa, CA
ZIP code 95406	3.6 mi	Santa Rosa, CA
ZIP code 95405	5.0 mi	Santa Rosa, CA
ZIP code 95407	5.1 mi	Santa Rosa, CA
ZIP code 95492	5.4 mi	Windsor, 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 95403, plotted from its record coordinates.

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

Scope ZIP code 95403. 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.