ZIP Code 57730
Custer · Custer, South Dakota
57730 is the ZIP code of Custer in Custer, South Dakota, United States.
- ZIP Code
- 57730
- County
- Custer
- State
- South Dakota
- Country
- United States
Place with ZIP code 57730
| Place | County | Location |
|---|---|---|
| Custer | Custer | 43.657, -103.426 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57730?
Custer.
Which county and state is 57730 in?
Custer, 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.