charger ZIP Code 57421
ZIP Code 57421 covers part of Amherst in South Dakota, providing postal services for local homes and businesses. This ZIP Code may also include nearby neighborhoods or rural areas and is associated with one or more area codes.
- Zip Code: 57421
- Type: Standard
- Official USPS city name: Amherst
- Official USPS State Code: SD
- Official State Name: South Dakota
- ZCTA: TRUE
- Population: 77.0
- Density: 0.8
- Primary Official County Code: 46091
- Primary Official County Name: Marshall
- Official County Name: Marshall
- Official County Code: 46091
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (02:42 AM Monday, April 28 2025-04-28 (GMT -0500))
- Geo Point: 45.75366, -97.9163