Simply call (405) 521-3160 or in-state toll free (800) 522-8165, extension 13160 and select the option to "Check the status of an income tax refund".
By providing your Social Security Number and amount of your refund, the system will provide you with the status of your Oklahome tax refund.
If your refund was directly deposited into your checking or savings account, you will not receive any notice from the OTC of the deposit. Please check with the ACH department of your bank to verify that your refund has been received.
Visit Oklahoma’s online service to check the status of your tax refund.
Oklahoma Tax Commission website