Zip Area Code

Yankton County, South Dakota

Yankton County, South Dakota, has 8 towns and 7 ZIP codes, in area code 605.

Towns in Yankton County, A to Z

TownZIP codesArea codes
Gayville57031605
Irene57037605
Jamesville Colonynearest57067605
Lesterville57040605
Mission Hill57046605
Utica57067605
Volin57072605
Yankton57078605

ZIP codes in Yankton County

Area code in Yankton County

  • Area code 605

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