North Dakota Child Support (Bismarck)
Bismarck, North Dakota
The North Dakota Child Support (Bismarck) is at 1600 E Century Ave, Suite 7, Bismarck, ND 58503. Call the office at (800) 231-4255. It serves Statewide County.
How do I contact this office?
1600 E Century Ave, Suite 7Bismarck, ND 58503
Mail: PO Box 7190, Bismarck, ND 58507-7190
- Phone
- (800) 231-4255
- TTY
- (800) 366-6888
- Before you go
- Payments are accepted in person. Genetic testing is by appointment; call (701) 328-5440 or (800) 231-4255 first.
- childsupport@nd.gov
- Fax
- (701) 328-5425
- Official page
- Office page
TTY text (800) 366-6888, TTY voice (800) 366-6889.
Is this my office?
This office serves Statewide County.
Not your area? See every North Dakota 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 Online Information System.
- Pay online, by phone, or by mail: see every way to pay child support in North Dakota.
- Ask about your case by phone at (800) 231-4255.
Going in person? Read "Before you go" above, and call first if you can.
What should I bring?
The agency asks you to bring:
- Photo ID (for a genetic testing appointment)
- Your child's ID card, if the child has one (for genetic testing)
What can I do at this office?
- Payments accepted in person (cash, check, or money order)
- Genetic testing by appointment
More help with North Dakota child support
Office details come from the official North Dakota office listing, checked October 18, 2026. Sunny Child Support is not affiliated with North Dakota Health and Human Services, Child Support. Spot a mistake? Tell us.