Monday - Friday, 7:00 a.m. - 7:00 p.m. CT
(800) 613-6743 (Available in English or Español)
TTY: (800) 877-8339 (via a relay service)
Fax signed correspondence to us at (713) 336-4301.
Comptroller of the Currency
Customer Assistance Group
P. O. Box 53570
Houston, Texas 77052
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