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Contact Us

To send an email, please visit the Ohio Office of Child Support's web portal and create an account. The CSEA typically responds to email inquiries within 2 business days. 

To speak with a customer service representative, please call  (513) 887-3362 or 1-800-542-0806 (toll free number for Ohio residents only) between 8:00 A.M. and 4:00 P.M., Monday through Friday. 

Phone Numbers
Main Number: (513) 887-3362
Middletown Number: (513) 424-5351
Toll Free Number for Ohio Residents: (800) 542-0806
SETS Voice Response Unit (VRU): (800) 860-2555
Fax Number: (513) 887-3699

Government Services Center
315 High Street 
7th Floor
Hamilton, OH 45011

Payment Window Hours
7:30 A.M. - 4:00 P.M.