When reviewing and research the question, it appears that you would use the address for the FDIC as your primary Federal banking agency. (Section 338.4—Fair Housing Poster).
NOTICE: This email message, including any attachments, is intended only for the addressee, and may contain confidential and privileged information either as protected work product or confidential client information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, do not read, copy, retain, or disseminate this message or any attachment, and please contact the sender by reply e-mail or at 888.760.5646 and destroy all copies of the original message and attachments. Neither the transmission of this message or any attachment, nor any error in transmission or misdelivery shall constitute waiver of any applicable legal privilege.
THIS EMAIL AND ITS ATTACHMENTS DO NOT CONSTITUTE LEGAL ADVICE