ZIP code · Huntsville · Alabama · United States

ZIP code 35815 — Huntsville

ZIP code 35815 serves Huntsville, Alabama.

Postal code: 35815
Single source Value from one source, not cross-checked.
City: Huntsville
County: Madison
State: Alabama
Country: United States
Coordinates: 34.7340, -86.5229 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 8a (10 to 15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Chicago (UTC−6 / UTC−5 DST)
Area codes: 256, 938
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 35815 with another ZIP · ZIPs within 25 miles · distance from 35815

Climate — monthly normals

Warmest month Aug (avg high 88°F), coldest Jan (avg low 30°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	50	55	63	71	78	86	88	88	84	74	62	53
Avg low °F	30	32	39	46	56	64	68	67	59	47	37	32
Precip in	5.9	5.5	5.5	5.1	4.9	4.5	4.2	3.7	4.2	3.7	4.5	6.2

NOAA 1991–2020 climate normals from the nearest station: OWENS CROSS ROADS 3S (13.3 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