ZIP Code
ZIP Code 57312
Alpena, Beadle County, South Dakota SD
Population
596
Density
1.8/sq mi
Timezone
America/Chicago
Safety Score
50
50
Average
Loading map…
Overview
ZIP code 57312 is located in Alpena, Beadle County, South Dakota. The area has a population of approximately 596 residents with a population density of 1.8 per square mile. It is in the America/Chicago timezone.