Please use the following information to contact us about child support.

Obligors and Obligees:

Log in to the Ohio Child Support Web Portal at to:

  • Send messages to a technician
  • Access a payment history
  • Update your information, such as address or employer



You can securely view your available balance and transaction history at

  • Download the smiONE app on Google Play Store or the Apple App Store
  • Or contact smiONE Customer Support at 1-855-279-2744


Call Us

CSEA call center hours are Monday – Friday 9am to 4pm 

  • Child Support Services: (513) 946-7387
  • TDD Telephone line: (513) 946-1295
  • Child Support Fax: (513) 946-2396


Employers: Email Us

This email address is for employers only. 

Please click on the button below to receive a call or email from us about your case.

Contact Us Directly