Visitors to the main post office in Plainfield, Illinois, could soon see it renamed for a fallen soldier, killed overseas in the line of duty. New legislation sponsored by Illinois Congresswoman Lauren Underwood (D-Illinois) is under consideration to designate the facility at 14855 S. Van Dyke Road in Plainfield as the "Staff Sergeant Jose Dueñez Jr. Post Office Building." Legislative effort to rename the Plainfield, Illinois post office as the "Staff Sergeant Jose Dueñez Jr. Post Office