ZIP code · Northridge · California · United States

ZIP code 91329 — Northridge

ZIP code 91329 serves Northridge, California.

Postal code: 91329
Single source Value from one source, not cross-checked.
City: Northridge
County: Los Angeles
State: California
Country: United States
Coordinates: 34.2283, -118.5368 — 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: 818, 747
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 91329 with another ZIP · ZIPs within 25 miles · distance from 91329

Climate — monthly normals

Warmest month Aug (avg high 92°F), coldest Dec (avg low 46°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	67	68	71	75	78	84	90	92	89	82	74	67
Avg low °F	47	47	49	52	56	60	64	64	62	56	50	46
Precip in	3.4	3.9	2.4	0.7	0.4	0.1	0.0	0.0	0.1	0.6	0.8	2.3

NOAA 1991–2020 climate normals from the nearest station: NORTHRIDGE CAL STATE (1.3 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