Contact The Child Support Program

Contact the Child Support Program

Online Services

Access your case online 24/7

If you have an active child support case, you can access your case information 24 hours a day, 7 days a week. Services are available by computer (full website) or smart phone (mobile website), see below:

Email Us

For general questions, use the "Ask Child Support" button below. You may also find answers to your questions by visiting our frequently asked questions (FAQs). If you have case-specific questions, please sign in to your online account or call 800.447.4278.

Mail
If you have comments, questions, or need case information and prefer to send by regular mail, please use one of the addresses provided below. Requests made by mail could experience extended delays.

Cook County
IL Department of Healthcare and Family Services
Division of Child Support Services
P.O. Box 64629
Chicago, IL 60664-0629
All Other Counties
IL Department of Healthcare and Family Services
Division of Child Support Services
Client Services Unit
P.O. Box # 19405
Springfield, IL 62794-9405

Get payment information by phone
Get case information by phone

State Disbursement Unit (SDU)
Customer Service
For information on your payments
or disbursements.

877.225.7077

8 AM - 8 PM CST, Monday - Thursday
8 AM - 5 PM CST, Friday
9 AM - Noon CST, Saturday

Make payments and access your account 24/7
ILSDU.com

Child Support Customer Service
Call Center
For general questions or to obtain case information about Child Support

800.447.4278

8:00 AM - 4:30 PM CST, Monday - Friday

Illinois Relay Service
1-800-526-5812 (TTY)

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Contact The Child Support Program