Washington, DC

ZIP code 20544 is home to the J. Edgar Hoover Building, headquarters of the Federal Bureau of Investigation (FBI) in Washington, D.C. Located in the heart of downtown D.C., this ZIP code encompasses the iconic Hoover Building and nearby landmarks such as the National Archives, the Smithsonian American Art Museum, and the National Portrait Gallery. It is a hub of government offices and cultural institutions in the nation's capital.