Spearfish, SD

The ZIP code 57799 corresponds to the iconic Mount Rushmore National Memorial in Keystone, South Dakota. This world-renowned landmark features the sculpted faces of four former U.S. presidents - George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. Nestled in the Black Hills region, Mount Rushmore attracts visitors from around the globe to admire its impressive granite carvings and learn about American history.