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Postal Naval Research Laboratory Post Office
4555 Overlook Ave SW, Washington, DC 20375
Phone: 202-636-1200
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
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
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
- 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
District of Columbia County