Ill. Admin. Code tit. 2, § 2700.25
a) Office of Public Counsel
528 South Fifth Street
Suite 212
Springfield, Illinois 62701
(217) 785-7687
b) Office of Public Counsel
State of Illinois Center
100 West Randolph Street
Suite 11-300
Chicago, Illinois 60601
(312) 814-3903
The OPC maintains two offices: