Mail Service

To establish mail services with the U. S. Postal Service, please contact post office(s) listed below:

470 L'Enfant Plaza SW 
Suite 604
Washington, DC 20024

Post Office Hours:

  • Monday - Friday: 8:00 a.m. - 5:00 p.m.
  • Saturday - Sunday: Closed


East Building tenants have mail drops in 470 and 490 lobbies on all floors, and Promenade level 470 and 490 side of the East Building. 


North Building tenants should take any mail to the mail box located on the North Promenade level, service corridor near stairwell.


Drop boxes for other delivery services:

A Federal Express Drop Box and a UPS Drop Box are located on the North Promenade level in the mail room.