ZIP code · San Francisco · California · United States

ZIP code 94140 — San Francisco

ZIP code 94140 serves San Francisco, California.

Postal code: 94140
Single source Value from one source, not cross-checked.
City: San Francisco
County: City and County of San Francisco
State: California
Country: United States
Coordinates: 37.7749, -122.4194 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 10b (35 to 40 °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: 415, 628, 650
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 94140 with another ZIP · ZIPs within 25 miles · distance from 94140

Climate — monthly normals

Warmest month Sep (avg high 70°F), coldest Jan (avg low 47°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	58	60	62	63	64	67	66	68	70	70	64	58
Avg low °F	47	48	49	50	51	53	54	56	56	54	51	47
Precip in	4.4	4.4	3.1	1.6	0.7	0.2	0.0	0.1	0.1	0.9	2.6	4.8

NOAA 1991–2020 climate normals from the nearest station: SAN FRANCISCO DWTN (0.5 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