City
Amherst, SD ZIP codes
1 ZIP, including 57421 as primary city.
Map of Amherst
ZIP code map
ZIP share of this city
Population share
No overlap percents for this place — ZIP codes are listed from the city or county field.
ZIP codes in Amherst
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 57421 | Amherst | Marshall County | 75 | — |