Washington, DC

ZIP code 20268 is a specialized Washington, D.C., postal code associated with the U.S. Postal Regulatory Commission’s offices at 901 New York Avenue NW, rather than a conventional residential district. The surrounding downtown area is near CityCenterDC and the Walter E. Washington Convention Center. The National Portrait Gallery and Smithsonian American Art Museum are also nearby and are among the area’s best-known cultural landmarks.