Phone: (618) 939-4444 | hss@hss1.org | Request Help
If you have thoughts, questions or concerns, please reach out to us at any time.
The Human Support Services (HSS) headquarters are located at 988 North Illinois Route 3 in Waterloo, Illinois.
988 N Illinois Route 3 P.O. Box 146 Waterloo, Illinois 62298-0146
Phone: 618-939-4444 Fax: 618-939-4181 TDD: 618-939-2043
hss@hss1.org