Presidential Inauguration
USPS – The following offices will suspend all operations during the presidential inauguration on Jan. 20. Any residential addresses served by these units will not have mail delivery on this day.  We will resume normal operations on Jan. 21.

Tech World Finance Unit – 800 K Street NW  20091
McPherson Station – 1750 Pennsylvania Ave NW  20006
Ben Franklin Station – 1200 Pennsylvania Ave NW 20044
Farragut Station – 1800 M Street NW 20033
Martin Luther King Station – 1400 L Street NW 20043
Washington Square – 1050 Connecticut Ave NW 20035

Source: USPS.com