ZIP code · Barstow · California · United States

ZIP code 92312 — Barstow

ZIP code 92312 serves Barstow, California.

Postal code: 92312
Single source Value from one source, not cross-checked.
City: Barstow
County: San Bernardino
State: California
Country: United States
Coordinates: 34.8986, -117.0228 — precision precise (locality)
View on OpenStreetMap
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 codes: 760, 442
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.

Tools: compare 92312 with another ZIP · ZIPs within 25 miles · distance from 92312

Climate — monthly normals

Warmest month Jul (avg high 102°F), coldest Dec (avg low 35°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	59	63	70	77	86	96	102	101	93	81	68	57
Avg low °F	35	39	44	49	57	65	72	70	63	53	42	35
Precip in	0.8	1.0	0.6	0.3	0.1	0.0	0.3	0.2	0.3	0.3	0.4	0.8

NOAA 1991–2020 climate normals from the nearest station: BARSTOW (0.4 mi) · NOAA NCEI

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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page