Martelle, IA

ZIP code 52305 is located in Anamosa, Iowa. This small town is known for being home to the Anamosa State Penitentiary, a historic prison that was established in 1872. Other notable landmarks in the area include Wapsipinicon State Park, offering scenic views, hiking trails, and camping facilities. Additionally, the Anamosa National Motorcycle Museum showcases a unique collection of vintage motorcycles for enthusiasts to enjoy.