Buffalo, SD

ZIP code 57720 covers the bustling town of Buffalo Gap, South Dakota. This area is known for its historical sites, including the Buffalo Gap Historic Townsite which features well-preserved buildings from the late 1800s. Visitors can explore the Old Post Office, the General Mercantile Store, and the Jailhouse. Buffalo Gap is also home to the picturesque Buffalo Gap National Grassland, offering stunning views and outdoor recreational opportunities.