article: Yankton, South Dakota
links: ZIP code Geographic Names Information System City Area code 605 2020 United States Census Federal Information Processing Standard South Dakota 1889 List of counties in South Dakota Council–manager government Mitchell, South Dakota Yankton County, South Dakota Nebraska Norfolk, Nebraska United States Census Bureau Missouri River Vermillion, South Dakota 2020 Madison, South Dakota Sioux City, Iowa Sioux Falls, South Dakota U.S. state Central Time Zone