Postal reference
ZIP 57646, South Dakota
ZIP code 57646 is associated with Mound City in South Dakota in the GeoNames postal reference.
Reference details
- State
- South Dakota (SD)
- ZIP code
- 57646
- Associated localities
- Mound City
- County names in postal records
- Campbell
- Approximate postal point
- 45.6786, -100.0479
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.