Delmont, SD

ZIP code 57330 is located in the town of De Smet, South Dakota. This area is famously known as the childhood home of Laura Ingalls Wilder, author of the Little House on the Prairie book series. Key landmarks in ZIP code 57330 include the Ingalls Homestead, where visitors can experience a slice of pioneer life, and the Laura Ingalls Wilder Memorial Society, celebrating the author's life and works.