ZIP code · Santa Clarita · California · United States

ZIP code 91380 — Santa Clarita

ZIP code 91380 serves Santa Clarita, California.

Postal code
91380
Single source Value from one source, not cross-checked.
City
Santa Clarita
County
Los Angeles
State
California
Country
United States
Coordinates
34.3917, -118.5426 — 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 (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 Aug (avg high 96°F), coldest Dec (avg low 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F636570748187949691817162
Avg low °F474547495457636462564944
Precip in4.24.42.90.80.30.00.00.00.10.50.82.6

NOAA 1991–2020 climate normals from the nearest station: NEWHALL 5NW (2.9 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