Skip to main content

  • No fee (payor's bank may charge for the service, but CSS does not)
  • Most beneficial for companies with multiple employees paying child support 
  • Specific banking and format information is required
  • Employers should contact the CSS Employer Services Center at 1-866-553-2368 to inquire about setting up EFT payments; an instructional packet will be provided to assist with the setup process

Mail Payments

  • Personal or business checks, money orders and cashier's checks can be mailed to:

    Oklahoma Centralized Support Registry
    PO Box 268809
    Oklahoma City, OK 73126-8849
  • Make checks payable to "Oklahoma Department of Human Services". Include the following employee information with the payment:
    First and last name, Social Security Number (SSN), Family Group Number (FGN)
  • If you are making payments for more than one employee, include the above information for each different employee. Employers may combine all payments for all employees and all cases in one payment to the Oklahoma Centralized Support Registry so long as the detailed information for each employee is provided.

SMART e-Pay - Please read the registration requirements before using e-Pay

  • No fee (payor's bank may charge for the service, but CSS does not
  • May use either a bank account or a debit/credit card
  • May choose either one time payments or reoccurring payments

BancFirst Walk-In - View Branch Locations

  • $5 fee per transaction by BancFirst
  • Walk into any BancFirst location
  • Cash payments accepted
  • Advances to credit & debit cards also made
  • Some locations will cash paychecks for an additional fee.

Payments made by mail are applied on the day they are received at OCSR. All other payments are applied within 2-3 business days. Business day cut off time is 11:59pm CST for payments made via SMART e-Pay and EFT.


Toll Free:   (866) 553-2368
Local:        (405) 325-9190
Fax:          (405) 325-8210

Mailing Address

PO Box 248805
Oklahoma City, OK 73124

Payment Mailing Address

Back to Top