Cook Central Child Support Office

Chicago, Illinois

The Cook Central Child Support Office is at 115 South LaSalle Street, Chicago, IL 60603. Call Illinois Department of Healthcare and Family Services, Division of Child Support Services at (800) 447-4278, the statewide line. It serves Cook County.

How do I contact this office?

115 South LaSalle Street
Chicago, IL 60603
Get directions Call (800) 447-4278
Phone
(800) 447-4278 (statewide line)
TTY
(800) 526-5812
Before you go
HFS says parents can enroll for services, pick up parentage forms, and hand deliver documents such as court orders at the regional office serving their case. Interviews are scheduled by an Appointment Notice. The statewide Customer Service Call Center (1-800-447-4278, TTY 1-800-526-5812) is open Monday to Friday, 8:00 a.m. to 4:30 p.m.
Email
HFS.CookCentral@illinois.gov
Official page
Office page

Is this my office?

This office serves Cook County.

HFS assigns every county to one regional office. Contact the regional office listed for your county.

Not your area? See every Illinois child support office.

Can I handle this without going in?

Often, yes. Many requests don't need a visit:

Going in person? Read "Before you go" above, and call first if you can.

What should I bring?

The agency asks you to bring:

  • Your Child Support Appointment Notice (it lists the documents to bring)
  • Photo ID
  • Social Security numbers for both parents and the children
  • The children's birth certificates
  • Both parents' addresses, phone numbers, and employers' names and addresses
  • Your marriage license and divorce decree, if any
  • Any existing paternity, child support, or parenting time order

What can I do at this office?

  • Enrollment for child support services
  • Voluntary Acknowledgment of Parentage forms
  • Hand delivery of court orders and payment records

Other child support offices near Chicago

More help with Illinois child support

Office details come from the official Illinois office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Illinois Department of Healthcare and Family Services, Division of Child Support Services. Spot a mistake? Tell us.