1644th Trans Co 716 6th Ave Rock Falls, IL 61071 Phone : (815) 625-1990 Business Category Government Offices-State Legislative Bodies Illinois State Of--military Affairs Dept Of, Armories-natl Guard, Army Natl Guard Recruiting, 1644th Trans Co 716 6th Ave Rock Falls, IL 61071 Phone : (815) 625-1990 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools