Contact Us
Online Customer Complaint Form 
We recommend the use of the Online Customer Complaint Form to submit a written complaint to the OCC Customer Assistance Group. Please review the page of this site titled 'File a Complaint' for further instructions on use of the form.
Telephone 
Need to discuss your concern? Talk with an information specialist from the OCC Customer Assistance Group, in English or Spanish, Monday through Friday 7:00 am to 7:00 pm CST. 1-800-613-6743. TDD Number 713-658-0340.
Fax
You can fax your signed correspondence to us at 713-336-4301.
Mail
Write to the OCC at:
Comptroller of the Currency
Customer Assistance Group
1301 McKinney Street
Suite 3450
Houston, TX 77010
