Contact Information

Specific Case Questions and Problems

State and local offices provide day to day operation of the Program. If you have a question or problem regarding your child support enforcement case you should write your State child support enforcement agency. If you are unable to determine the address, telephone numbers are also available on the sites listed below.

To view our on-line State IV-D Office Directory - Click Here
* Spanish Version

To locate your Regional Office contact information - Click Here

Or, you may write us at: Office of Child Support Enforcement, 370 L'Enfant Promenade SW, Washington, D.C. 20447. For best assistance you should provide names, case number(s) and a description of the problem.

Tip Line

If you have basic information regarding location of a non-custodial parent, send your comments directly to tipline@acf.hhs.gov. We will forward the information to the state you believe is looking for the parent. Thank you for your concern.

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