ZIP code · Red Mountain · California · United States

ZIP code 93558 — Red Mountain

ZIP code 93558 serves Red Mountain, California.

Postal code
93558
Single source Value from one source, not cross-checked.
City
Red Mountain
County
San Bernardino FIPS 06071
State
California
Country
United States
Coordinates
35.3479, -117.6214 — precision precise (locality)
View on OpenStreetMap
Population
0 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
40.4 sq mi (104.7 km²) (ZCTA, ACS 5-year)
Households
0
Housing units
70
Congressional district
CA-23 (119th Congress)
USDA hardiness zone
9a (20 to 25 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Los_Angeles (UTC−8 / UTC−7 DST)
Area code
760 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 101°F), coldest Dec (avg low 35°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F58616875849510110092806757
Avg low °F353741465463696862524235
Precip in1.41.61.00.40.10.00.20.20.20.50.50.7

NOAA 1991–2020 climate normals from the nearest station: RANDSBURG (2.3 mi) · NOAA NCEI

Places in ZIP 93558

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page