ZIP Code 92399

92399 is one of California's ZIP codes, delivering to addresses in Yucaipa, San Bernardino County.

City: Yucaipa
County: San Bernardino County
State: California
Prefix: 923xx

Where this code sits

92399 is part of the 923xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Yucaipa.

Yucaipa California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 92399 delivers to without sharing its boundary.

ZIP codes nearest 92399

The ZIP codes whose reference points sit closest to 92399.
ZIP code	Distance	Delivers to
ZIP code 92320	2.3 mi	Calimesa, CA
ZIP code 92359	5.0 mi	Mentone, CA
ZIP code 92223	7.0 mi	Beaumont, CA
ZIP code 92374	7.2 mi	Redlands, CA
ZIP code 92373	7.6 mi	Redlands, CA
ZIP code 92375	7.9 mi	Redlands, CA
ZIP code 92339	7.9 mi	Forest Falls, CA
ZIP code 92555	10 mi	Moreno Valley, 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 92399, plotted from its record coordinates.

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

Scope ZIP code 92399. 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.