ZIP code · Pomona · California · United States

ZIP code 91769 — Pomona

ZIP code 91769 serves Pomona, California.

Postal code
91769
Single source Value from one source, not cross-checked.
City
Pomona
County
Los Angeles
State
California
Country
United States
Coordinates
34.0553, -117.7523 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone
10a (30 to 35 °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
909, 840
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 Aug (avg high 92°F), coldest Dec (avg low 42°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F686772767884909289817467
Avg low °F434547505457626360544742
Precip in2.94.22.11.00.20.10.00.00.01.00.72.3

NOAA 1991–2020 climate normals from the nearest station: POMONA/FAIRPLEX (2.0 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