Bryant, SD

ZIP code 57221 covers the town of De Smet in South Dakota. This small town is best known for being the childhood home of author Laura Ingalls Wilder, with attractions like the Ingalls Homestead and the Laura Ingalls Wilder Historic Homes drawing visitors from around the country. De Smet also features a charming downtown area with local shops and restaurants, making it a popular stop for history buffs and fans of the "Little House on the Prairie" books.