Postal reference / United States

92334Fontana, California

ZIP code 92334 is a United States postal code for Fontana, California. Its county association is San Bernardino County. The map reference point is at 34.0922, -117.435.

State / territory
California
Recorded place name
Fontana
County association
San Bernardino
Estimated coordinate
34.0922, -117.435
View on OpenStreetMap
ZIP prefix
923 · 74 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore California

Browse the other 2,592 ZIP codes recorded for California, sorted by code with place and county.

California directory

Other ZIP codes in Fontana, CA

Fontana has 5 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
92335FontanaCASan Bernardino1.5
92331FontanaCAImperial1.5
92336FontanaCASan Bernardino1.7
92316BloomingtonCASan Bernardino2.7
92337FontanaCASan Bernardino3.6
92376RialtoCASan Bernardino3.6
92377RialtoCASan Bernardino4.8
92509RiversideCARiverside6.2

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup