Authenticate Your Document

Office of Authentications

Physical Address:
Office of Authentications
600 19th St. NW
Washington, DC 20006

Mailing Address:
U.S. Department of State
Office of Authentications
44132 Mercure Cir.
PO Box 1206
Sterling, VA 20166-1206

8:00 a.m. to 9:00 a.m.

Appointment Services
10:00 a.m. to 1:00 p.m.

2:00 p.m. to 2:30 p.m.

Phone: 202-485-8000
Monday through Friday
Closed Federal Holidays


The Office of Authentications issues both Apostilles and Authentication Certificates. If you need U.S. Department of State documents to be authenticated, please refer to the Office of Vital Records.

We also provide signed certificates of authenticity for a variety of documents to individuals, institutions, and government agencies.


Examples of Documents that May Require Authentication for Use Abroad:

  • Company bylaws
  • Powers of attorney
  • Trademarks
  • Diplomas
  • Treaties
  • Warrants
  • Extraditions
  • Agreements
  • Certificates of good standing
  • Courier letters