Alma, CO

Located in Park County, Colorado, ZIP code 80420 is home to the historic town of Fairplay. Known for its charming main street lined with quaint shops and eateries, Fairplay is also famous as the inspiration for the fictional town of "South Park" in the popular TV series. Other notable landmarks in the area include the South Park City Museum, which showcases the town's mining history, and the dramatic views of the Rocky Mountains.