Plainfield, WI

ZIP code 54966 is located in the city of Redgranite, Wisconsin. This area is home to the Redgranite Correctional Institution, a medium-security prison that houses adult male inmates. The city also features stunning natural surroundings, including the Redgranite Quarry Lake, a popular spot for swimming and fishing. Additionally, visitors can explore the nearby Redgranite Lions Park, which offers recreational activities and a beautiful natural setting.