Landline Home Phone Service in 57421, Amherst
57421 Zip Code
| City: | Amherst |
| State: | SD |
| County: | Marshall County |
| Area Codes: | 605 |
| Latitude: | 45.73 |
| Longitude: | -97.92 |
| Time Zone: | America/Chicago |
| Population in 2010: | 88 |
| School District: | Britton-Hecla School District 45-4 |
| District Code: | 41 |