PO
20002
National Capitol
Post Office
2 Massachusetts Ave NE
Washington, DC 20002
Mon-Fri 9:00am - 7:00pm, Sat-Sun 9:00am - 5:00pm
Washington, DC Post Offices
Washington has 9 locations serving ZIP codes 20002, 20003, 20011, 20012, 20018, 20032, 20375 and 20515, spanning about 10.1 miles. Each location sets its own hours and services, so confirm before you visit — see the cards below for the one nearest you.
Apply for a PO Box
Compare box sizes and pricing, and see what you need to apply.
Hold Mail Service
Pause mail delivery for up to 30 days, free, while you're away.
Change of Address
File your address change directly with USPS to forward your mail.
All 9 locations in Washington
Sorted by ZIP code.
PO
20003
Washington Navy Yard
Post Office
1222 9th St SE
Washington, DC 20003
Mon,Wed-Fri 9:00am - 12:00pm 1:15pm - 4:30pm, Tue,Sat-Sun Closed
PO
20011
Brightwood
Post Office
6323 Georgia Ave NW Ste A
Washington, DC 20011
Mon-Fri 9:00am - 5:00pm, Sat 9:00am - 12:00pm, Sun Closed
CPU
20011
Cpu Armed Forces Retire Home
Contract Postal Unit
3700 N Capitol St NW
Washington, DC 20011
Mon-Fri 9:00am - 4:00pm, Sat-Sun Closed
PO
20012
Chillum Pl Carrier Annex
Post Office
6510 Chillum Pl NW
Washington, DC 20012
Call ahead for hours
PO
20018
Section 4 Carrier Annex
Post Office
900 Brentwood Rd NE
Washington, DC 20018
Call ahead for hours
PO
20032
Congress Heights
Post Office
400 Southern Ave SE
Washington, DC 20032
Mon-Fri 9:00am - 5:00pm, Sat 9:00am - 2:00pm, Sun Closed
PO
20375
Naval Research Laboratory
Post Office
4555 Overlook Ave SW
Washington, DC 20375
Mon,Sat-Sun Closed, Tue-Fri 9:00am - 1:00pm
PO
20515
Longworth
Post Office
15 Independence Ave SE Rm B202
Washington, DC 20515
Mon-Fri 9:00am - 5:00pm, Sat-Sun Closed
Helpful guides
Money Orders
Money orders are a safe way to send payments through the mail. See current fees and maximum amounts.
Post Office Holiday Schedule
Post offices close for all federal holidays. See this year's full schedule so you can plan ahead.
Post Office Weekend Hours
Weekend hours vary a lot by location. See typical Saturday and Sunday patterns before you visit.