Zip Area Code

Alpena, South Dakota

Alpena, South Dakota, in Beadle County, has ZIP code 57312 and area code 605.

ZIP code
57312
Area code
605
Coordinates
44.1709, -98.3962

ZIP codes in Alpena

ZIP codePost officeCountyArea codes
57312AlpenaBeadle County605

Area code for Alpena

  • Area code 605

    In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Towns near Alpena