Dimock, SD

ZIP code 57331 is located in De Smet, South Dakota. This small town is known for being the childhood home of author Laura Ingalls Wilder, whose Little House on the Prairie books were inspired by her time here. Landmarks in ZIP code 57331 include the Laura Ingalls Wilder Historic Homes, Ingalls Homestead, and the De Smet Cemetery, where the Ingalls family is buried.