Delmont, SD

ZIP code 57330 serves the small town of De Smet, South Dakota. This historic town is best known for its connection to author Laura Ingalls Wilder, with landmarks such as the Laura Ingalls Wilder Historic Homes, Ingalls Homestead, and the Laura Ingalls Wilder Pageant. Visitors can explore the town's rich pioneer history through museums and sites dedicated to the beloved author of the "Little House on the Prairie" books.