St. Charles Child Support Office
St. Charles, Missouri
The St. Charles Child Support Office is at 3737 Harry S Truman Boulevard, St. Charles, MO 63301. Call the office at (855) 454-8037. It serves St. Charles County.
How do I contact this office?
3737 Harry S Truman BoulevardSt. Charles, MO 63301
- Phone
- (855) 454-8037
- TTY
- (800) 735-2966
- Before you go
- The state child support brochure says you can find your local office and apply in person. DSS says to check the office map for hours before visiting and to start a chat at mydss.mo.gov to schedule an appointment.
- Official page
- Office page
Is this my office?
This office serves St. Charles County.
Not your area? See every Missouri child support office.
Can I handle this without going in?
Often, yes. Many requests don't need a visit:
- Check your case and payments online in Child Support Customer Portal.
- Pay online, by phone, or by mail: see every way to pay child support in Missouri.
- Ask about your case by phone at (855) 454-8037.
Going in person? Read "Before you go" above, and call first if you can.
Other child support offices near St. Charles
- St. Louis (Page Avenue) Child Support Office St. Louis · 12 miles away
- Seven Hills (Florissant) Child Support Office Florissant · 16 miles away
- Hillsboro Child Support Office Hillsboro · 38 miles away
More help with Missouri child support
Office details come from the official Missouri office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Missouri Department of Social Services, Family Support Division (Child Support). Spot a mistake? Tell us.