ZIP Code 57421

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 (15:40 PM Thursday, May 09 2024-05-09 (GMT -0500))
Geo Point: 45.75366, -97.9163

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