Union Station Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

50 Massachusetts Ave NE, Washington, DC 20002

Contact Numbers

Phone: 202-636-1259
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Business Reply Mail Account Balance
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

National Capitol
2 Massachusetts Ave NE
0.1 mile away

Frances Perkins
200 Constitution Ave NW
0.4 mile away

Longworth
15 Independence Ave SE Rm B202
0.4 mile away

Southeast
600 Pennsylvania Ave SE Front 2
0.6 mile away

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