57421
Amherst, Marshall - United States
Postal code 57421 corresponds to Amherst, Marshall, in South Dakota (United States).
- Country
- United States (US)
- Department
- South Dakota
- Municipality
- Marshall
- Coordinates
- 45.7585, -97.9274Degrees, minutes, seconds: 45°45'31"N 97°55'39"W
- Time zone
- America/New_York (UTC-5)
- Dialing code
- +1
How to write the address
Amherst, South Dakota 57421 United States
Nearby codes