U.S. Federal Route 63 is a north-south highway in Poweshiek County. This is one of the main highways in the county. It runs thorugh the center of Poweshiek County. U.S. Rt. 63 passes through the following highways in Poweshiek County. Montezuma Malcom U.S. Rt. 63 is multi-plexed in Poweshiek County. U.S. Rt. 6, near Malcom. U.S. Rt. 63 intersects the following highways in Poweshiek County. Iowa State Route 85, at Montezuma. Interstate 80, near Malcom. U.S. Rt. 6, near Malcom. U.S. Rt. 6, near Malcom.
