Postal reference
ZIP 57730, South Dakota
ZIP code 57730 is associated with Custer in South Dakota in the GeoNames postal reference.
Reference details
- State
- South Dakota (SD)
- ZIP code
- 57730
- Associated localities
- Custer
- County names in postal records
- Custer
- Approximate postal point
- 43.6573, -103.4258
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.