Post Office - Walter Reed Finance Station 6800 Georgia Ave Nw Washington, DC 20012 Phone : (202) 782-3768 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--postal Service Us, Washington Dc Post Office, Techworld Post Office, Walter Reed Army Medical Center Washington, DC 20001 Phone : (202) 782-3768 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools