Postal reference / United States

92310Fort Irwin, California

ZIP code 92310 is a United States postal code for Fort Irwin, California. Its county association is San Bernardino County. The map reference point is at 35.2625, -116.6966.

State / territory
California
Recorded place name
Fort Irwin
County association
San Bernardino
Estimated coordinate
35.2625, -116.6966
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.

Area

Land area
82.711 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
92398YermoCASan Bernardino25.7
92365Newberry SpringsCASan Bernardino26.2
92327DaggettCASan Bernardino29.4
92312BarstowCASan Bernardino31.2
92311BarstowCASan Bernardino32.1
92347HinkleyCASan Bernardino35.8
92309BakerCASan Bernardino36.3
92338LudlowCASan Bernardino48.2

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