ZIP code · Littleton · Colorado · United States

ZIP code 80163 — Littleton

ZIP code 80163 serves Littleton, Colorado.

Postal code: 80163
Single source Value from one source, not cross-checked.
City: Littleton
County: Douglas
State: Colorado
Country: United States
Coordinates: 39.3479, -104.9947 — 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 80163 with another ZIP · ZIPs within 25 miles · distance from 80163

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Jan (avg low 18°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	46	47	54	59	68	80	86	84	77	65	54	46
Avg low °F	18	20	27	33	42	51	56	55	47	35	26	18
Precip in	0.6	0.7	1.5	2.1	2.0	2.2	2.3	2.5	1.4	0.8	0.8	0.7

NOAA 1991–2020 climate normals from the nearest station: CASTLE ROCK (6.4 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