Clark, SD

ZIP code 57225 encompasses the small town of De Smet in eastern South Dakota. This historic town is best known as the childhood home of author Laura Ingalls Wilder, whose Little House on the Prairie books were inspired by her experiences here. Major landmarks in ZIP code 57225 include the Laura Ingalls Wilder Historic Homes, the Ingalls Homestead, and the Laura Ingalls Wilder Memorial Society.