Post office locations in 20520
| Post Office | Address | Phone | Hours |
| STATE DEPARTMENT | 2201 C ST NW WASHINGTON, DC 20520 - 0001 | 202-523-2575 | Mon-Fri 9:00am - 2:00pm 2:30pm - 4:00pm Sat-Sun Closed |
| Post Office | Address | Phone | Hours |
| STATE DEPARTMENT | 2201 C ST NW WASHINGTON, DC 20520 - 0001 | 202-523-2575 | Mon-Fri 9:00am - 2:00pm 2:30pm - 4:00pm Sat-Sun Closed |