General Contact:
Tip line: (866) 448-4754
Main line: (773) 478-7799
TTY: (773) 478-2066
Fax: (773) 478-3949
E-mail: oharetipline@igchicago.org
Mailing Address:
City of Chicago Office of Inspector General
740 N. Sedgwick, Suite 200
Chicago, Illinois 60654-2996