File a Bank Complaint

Have you checked our Get Answers section for information about National Bank regulations and your rights as a bank customer?

Check to make sure that your financial institution is a National Bank.
If so, you may file a complaint by either one of the following methods:
formFill out the online OCC Complaint Form (PDF). [En Español (PDF)]
To view PDF files, you will need Acrobat Reader.
letterWrite and mail or fax a letter to the OCC. Learn what to include in your letter.
Have questions? Discuss your question or concern with a customer assistance specialist:
phone
Call the OCC Customer Assistance Group at 1-800-613-6743.
What you can expect from us.



Phone: 800-613-6743
E-mail: customer.assistance
@occ.treas.gov