Zip Codes in Amherst, SD
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 57421 | Amherst | Marshall | South Dakota | Show Map | Show Statistics |
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 57421 | Amherst | Marshall | South Dakota | Show Map | Show Statistics |