zip code 57312 is a zipcode of Alpena, South Dakota state, usa. zip code of Alpena and its population information along with its latitude and longitude coordinates.
ZIP Code 57312
- Zip Code
- 57312
- City
- Alpena
- County
- Jerauld
- State
- South Dakota
- Latitude
- 44.192600
- Longitude
- -98.359600
- Population
- 516