Mankato, KS

ZIP code 66956 is located in Marysville, Kansas. This area is known for its historic Pony Express Station Museum, showcasing the town's role in the Pony Express mail delivery service. Another prominent landmark is the Koester House Museum, a Victorian-era home filled with period furnishings and artifacts. Residents and visitors can also enjoy the nearby Wolf Creek Nuclear Operating Corporation, a key energy provider in the region.