ZIP Code 94850

94850 is one of California's ZIP codes, delivering to addresses in Richmond, Contra Costa County.

City: Richmond
County: Contra Costa County
State: California
Prefix: 948xx

Where this code sits

94850 is part of the 948xx range, the group of codes handled by one mail processing centre. Richmond is served by 7 ZIP codes in total; the full list, with the county each falls in, is on the Richmond page.

Richmond California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 94850 delivers to without sharing its boundary.

ZIP codes nearest 94850

The ZIP codes whose reference points sit closest to 94850.
ZIP code	Distance	Delivers to
ZIP code 94802	0.0 mi	Richmond, CA
ZIP code 94807	0.0 mi	Richmond, CA
ZIP code 94808	0.0 mi	Richmond, CA
ZIP code 94801	0.8 mi	Richmond, CA
ZIP code 94804	1.0 mi	Richmond, CA
ZIP code 94805	1.4 mi	Richmond, CA
ZIP code 94806	2.6 mi	San Pablo, CA
ZIP code 94530	3.0 mi	El Cerrito, 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 94850, plotted from its record coordinates.

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

Scope ZIP code 94850. 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.