Central Office Locations

Section 1000.215  Central Office Locations a)         Concordia Complex 1301 Concordia Court P.O. Box 19277 Springfield, Illinois 62794‑9277 Telephone:  217/557-1030 b)         State of Illinois Center 100 West Randolph St., Suite 4-200 Chicago, Illinois  60601-3219 Telephone: 312/814-3017