Department of State's Authentication Office
State Annex 1 (Columbia Plaza)
518 23rd Street NW
Washington, DC 20520
Tel: (202) 647-5002
The office is open on a walk-in basis from 7:30 a.m. to 11:00 a.m., Monday through Friday. The authentication fee is $5.00 per document, and the average waiting time is one hour. Check should be made to U.S. Department of State.
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