Answers about Filing a Complaint

How do I file a written complaint against a bank?

If this is a national bank, visit the How to File a Complaint page. You can either use the Online Customer Complaint Form or write a letter to fax or mail to the OCC Customer Assistance Group.

If you have questions about the complaint process, use of the complaint form, or what to include in your letter, please call the OCC Customer Assistance Group at 1-800-613-6743.