Zip Area Code

Yankton, South Dakota

Yankton, South Dakota, in Yankton County, has ZIP code 57078 and area code 605.

ZIP code
57078
Area code
605
Coordinates
42.8821, -97.3986

ZIP codes in Yankton

ZIP codePost officeCountyArea codes
57078YanktonYankton County605

Area code for Yankton

  • Area code 605

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

Towns near Yankton