ZIP Code 92320

92320 is one of California's ZIP codes, delivering to addresses in Calimesa, Riverside County.

City: Calimesa
County: Riverside County
State: California
Prefix: 923xx

Where this code sits

92320 is part of the 923xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Calimesa.

Calimesa California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 92320 delivers to without sharing its boundary.

ZIP codes nearest 92320

The ZIP codes whose reference points sit closest to 92320.
ZIP code	Distance	Delivers to
ZIP code 92399	2.3 mi	Yucaipa, CA
ZIP code 92223	5.2 mi	Beaumont, CA
ZIP code 92359	7.0 mi	Mentone, CA
ZIP code 92373	8.5 mi	Redlands, CA
ZIP code 92374	8.6 mi	Redlands, CA
ZIP code 92375	9.0 mi	Redlands, CA
ZIP code 92555	9.0 mi	Moreno Valley, CA
ZIP code 92339	9.2 mi	Forest Falls, 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 92320, plotted from its record coordinates.

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

Scope ZIP code 92320. 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.