ZIP Code 57278
Willow Lake · Clark, South Dakota
57278 is the ZIP code of Willow Lake in Clark, South Dakota, United States.
- ZIP Code
- 57278
- County
- Clark
- State
- South Dakota
- Country
- United States
Place with ZIP code 57278
| Place | County | Location |
|---|---|---|
| Willow Lake | Clark | 44.627, -97.675 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57278?
Willow Lake.
Which county and state is 57278 in?
Clark, South Dakota, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.