Zip Area Code

Day County, South Dakota

Day County, South Dakota, has 9 towns and 7 ZIP codes, in area code 605.

Towns in Day County, A to Z

TownZIP codesArea codes
Andover57422605
Bristol57219605
Butlernearest57219605
Enemy Swimnearest57239605
Grenville57239605
Pierpont57468605
Roslyn57261605
Waubay57273605
Webster57274605

ZIP codes in Day County

Area code in Day County

  • Area code 605

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