ZIP Code 57646
Mound City · Campbell, South Dakota
57646 is the ZIP code of Mound City in Campbell, South Dakota, United States.
- ZIP Code
- 57646
- County
- Campbell
- State
- South Dakota
- Country
- United States
Place with ZIP code 57646
| Place | County | Location |
|---|---|---|
| Mound City | Campbell | 45.679, -100.048 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57646?
Mound City.
Which county and state is 57646 in?
Campbell, 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.