What to know about ZIP 92304
ZIP code 92304 covers CA in San Bernardino County.
It sits in telephone area codes 442, 760; U.S. House district CA-23; the LOS ANGELES media market.
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
ZIP code 92304 covers CA in San Bernardino County.
It sits in telephone area codes 442, 760; U.S. House district CA-23; the LOS ANGELES media market.
FEMA’s National Risk Index rates natural-hazard risk for CA as Very High (composite score 99.8), which is among the highest nationally. The strongest component scores on US5 are wildfire (99.9) and flood (99.8). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.
Climate normals for CA show little to no average snow and around 10.6 inches of annual precipitation.
Airport EED (60.1 miles (96.7 km)) · Copper Mountain Community College (42.7 miles (68.7 km)) · Mojave National Preserve (41.0 miles (65.9 km)) · VA: Twenty-nine Palms MCCC (36.5 miles (58.8 km))
Full lists and map pins are in the Infrastructure section below.