Naval Research Laboratory Post Office

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

4555 Overlook Ave SW, Washington, DC 20375

Contact Numbers

Phone: 202-636-1200
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours

Monday Closed
Tuesday 9:00am - 1:00pm
Wednesday 9:00am - 1:00pm
Thursday 9:00am - 1:00pm
Friday 9:00am - 1:00pm
Saturday Closed
Sunday Closed

Last Collection Times

Monday Closed
Tuesday 1:30pm
Wednesday 1:30pm
Thursday 1:30pm
Friday 1:30pm
Saturday Closed
Sunday Closed

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

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Sure Money
  • 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:

Congress Heights
400 Southern Ave SE
0.7 mile away

Bolling AFB
10 Brookley Ave SW
0.9 mile away

George Mason
200 N Washington St
1.3 miles away

Oxon Hill
6316 Oxon Hill Rd
1.4 miles away

Reviews

*Comments below are not read by postal employees. Please do not post personal information.



*By clicking Submit, you agree to our Privacy Policy & Terms of Use.



*postallocations.com is not a part of, or affiliated with, the official United States Postal Service (USPS).