ZIP code · Willow Lake · South Dakota · United States

ZIP code 57278 — Willow Lake

Name: Willow Lake (57278)
Address: South Dakota, 57278, US

ZIP code 57278 serves Willow Lake, South Dakota.

Postal code: 57278
Single source Value from one source, not cross-checked.
City: Willow Lake
County: Clark
State: South Dakota
Country: United States
Coordinates: 44.6272, -97.6747 — precision precise (locality)
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Nearby localities

57271Vienna · 17 km
57221Bryant · 18 km
57322Carpenter · 20 km
57233Erwin · 26 km
57225Clark · 28 km
57231De Smet · 28 km
57386Yale · 31 km
57242Hazel · 32 km
57258Raymond · 33 km
57243Henry · 34 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