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.
Have questions about how to file a complaint? Call the OCC's Customer Assistance Group at 1-800-613-6743, Monday through Friday from 7:00am to 7:00pm CST to talk to a customer service representative in English or Spanish. TDD Number: 713-658-0340
You can fax your signed correspondence to us at 713-336-4301.
Write to the OCC at:
Comptroller of the Currency
Customer Assistance Group
1301 McKinney Street
Houston, TX 77010