ZIP code · Castlewood · South Dakota · United States

ZIP code 57223 — Castlewood

Name: Castlewood (57223)
Address: South Dakota, 57223, US

ZIP code 57223 serves Castlewood, South Dakota.

Postal code: 57223
Single source Value from one source, not cross-checked.
City: Castlewood
County: Hamlin
State: South Dakota
Country: United States
Coordinates: 44.7313, -97.0204 — precision precise (locality)
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Nearby localities

57234Estelline · 17 km
57241Hayti · 18 km
57245Kranzburg · 20 km
57238Goodwin · 20 km
57201Watertown · 21 km
57248Lake Norden · 22 km
57242Hazel · 23 km
57226Clear Lake · 26 km
57268Toronto · 30 km
57218Brandt · 30 km

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. Data generated on 2026-08-21. Methodology · Report an error on this page