ZIP code · Golden · Colorado · United States

ZIP code 80402 — Golden

ZIP code 80402 serves Golden, Colorado.

Postal code: 80402
Single source Value from one source, not cross-checked.
City: Golden
County: Jefferson
State: Colorado
Country: United States
Coordinates: 39.7555, -105.2211 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Denver (UTC−7 / UTC−6 DST)
Area codes: 303, 720, 983 (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.

Tools: compare 80402 with another ZIP · ZIPs within 25 miles · distance from 80402

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Feb (avg low 22°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	45	46	54	60	69	81	87	84	76	64	53	45
Avg low °F	23	22	29	35	45	55	61	59	51	39	30	23
Precip in	0.7	0.9	1.7	2.5	3.0	1.7	1.7	1.8	1.8	1.3	0.9	0.7

NOAA 1991–2020 climate normals from the nearest station: RALSTON RSVR (5.2 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