Office of Authentications

Physical Address:

Office of Authentications
U.S. Department of State
600 19th Street, NW
Washington, DC 20006

Mailing Address:

Office of Authentications
U.S. Department of State
CA/PPT/S/TO/AUT
44132 Mercure Circle
PO Box 1206
Sterling, VA 20166 1206

Note:  All express mail air bill labels sent to the Office of Authentications for the use of returning documents must reflect the customer’s mailing address as both the sender and recipient.    

Telephone:

202-485-8000