The mailing address for 650 Massachusetts Avenue is:
BOP 650 MASS LLC
650 Massachusetts Avenue, NW
Washington, DC 20001
Mail may be collected by Tenants or their agents from the security desk located in the lobby Monday through Friday between 9:00am and 5:00pm.
The building outgoing mail drop box is located on the C2 level of the parking garage elevator lobby.
The nearest Post Office location is located at 800 K Street NW. For more information please call your local Post Office or visit www.usps.com.