Welcome to the Child Support Lien Network
Child Support Enforcement Program
509 South 6th Street
Springfield, Illinois 62701
For Child Support case related questions, please call (800) 447-4278 or send an email to HFS.ChildSupportHelp@illinois.gov.
Insurance company representatives with questions, please call CSLN toll-free at 888-240-7488 or send us an email at firstname.lastname@example.org.
Confidentiality statements should be faxed to (781) 623-8030.