363.5—How do I contact Public Debt?
(a)
You may use the “Contact Us” feature within TreasuryDirect ® to communicate information to us over a secure Internet connection.
(b)
Emails may be sent to: treasury.direct@bpd.treas.gov. We will reply by e-mail unless you request otherwise. We are not responsible for the security of e-mail messages you may send to us, or replies we may send to you.
(c)
Letters should be addressed to the address provided on our web site at http://www.treasurydirect.gov/write.htm.