Directions/Parking 801 Mount Vernon Place, NW Washington, DC 20001 800-368-9000 202-249-3000. The closest METRO stop is Mt.  Vernon Sq/7th St.  Convention Center on the Yellow or Green Line. It is immediately outside the building. There are over 2000 public parking spaces in a three block radius of the facility. There is no parking attached to the facility. These spaces are available on a first come, first serve basis. We encourage exhibitors and attendees to use the public parking facilities. There are also approximately 100 metered parking spaces within close proximity to the facility. For more information on parking Click Here