Prairie du Rocher, IL

ZIP code 62277 corresponds to the small town of Prairie du Rocher, located in southern Illinois. The town is home to the historic Fort de Chartres, a French colonial fort originally built in the early 18th century. Other important landmarks in the area include the Creole House, a restored French Creole house, and the Pierre Menard Home, a historic mansion dating back to the early 1800s.