57278 postal code
United StatesUpdated 2026-11-09Willow Lake, South DakotaClark5 digits
Postal code details
1 placeCode
57278
Place
Willow Lake
Region
South Dakota
County
Clark
Coordinates
44.6272, -97.6747
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗



44.6272, -97.6747© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Willow Lake | South Dakota | Clark | 44.6272, -97.6747 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 57278 in?
Willow Lake, South Dakota, United States.
What are the coordinates of 57278?
44.6272, -97.6747
Is 57278 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.