Mason City Child Support Services
Mason City, Iowa
The Mason City Child Support Services is at 525 9th St. SE, Suite 2, Mason City, IA 50401. Call the office at (641) 424-1147. It serves Cerro Gordo, Floyd, Franklin, Hancock, Kossuth, Mitchell, Winnebago, and Worth counties.
How do I contact this office?
525 9th St. SE, Suite 2Mason City, IA 50401
Mail: P.O. Box 9131, Des Moines, IA 50306-9131
- Phone
- (641) 424-1147
- Hours
- Monday to Friday, 8:00 a.m. to 4:30 p.m.
- csrumason@hhs.iowa.gov
- Fax
- (515) 564-4139
- Official page
- Office page
Is this my office?
This office serves Cerro Gordo, Floyd, Franklin, Hancock, Kossuth, Mitchell, Winnebago, and Worth counties.
Not your area? See every Iowa 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 Iowa Child Support customer website.
- Pay online, by phone, or by mail: see every way to pay child support in Iowa.
- Ask about your case by phone at (641) 424-1147.
What can I do at this office?
- Applications for child support services
Other child support offices near Mason City
- Waterloo Child Support Services Waterloo · 63 miles away
- Fort Dodge Child Support Services Fort Dodge · 67 miles away
- Decorah Child Support Services Decorah · 72 miles away
More help with Iowa child support
Office details come from the official Iowa office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Iowa HHS Child Support Services. Spot a mistake? Tell us.