Keystone, SD

ZIP code 57751 is located in the town of Lead, South Dakota. This area is known for its proximity to the famous Homestake Gold Mine, which once operated as one of the largest and deepest gold mines in North America. Additionally, visitors can find the Sanford Lab Homestake Visitor Center, providing insight into the mining history of the region. Lead is also close to the scenic outdoor attractions of the Black Hills National Forest.