ZIP code · Chamberlain · South Dakota · United States

ZIP code 57326 — Chamberlain

ZIP code 57326 serves Chamberlain, South Dakota.

Postal code
57326
Single source Value from one source, not cross-checked.
City
Chamberlain
County
Brule
State
South Dakota
Country
United States
Coordinates
43.8108, -99.3307 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone
5a (-20 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 code
605
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 Jul (avg high 88°F), coldest Jan (avg low 11°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F313547597081888677624634
Avg low °F111425354758636151382515
Precip in0.40.61.12.33.23.62.22.32.11.60.50.5

NOAA 1991–2020 climate normals from the nearest station: CHAMBERLAIN MUNI AP (3.1 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