About ZIP code 20566
The ZIP code 20566 routes mail to Washington in the District of Columbia region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
20566 - Washington
ZIP code 20566 is Washington in District of Columbia, United States.
| ZIP code | 20566 |
| Place | Washington |
| Region | District of Columbia |
| District | District of Columbia |
| Country | United States (US) |
| Coordinates | 38.8971, -77.0554 (map) |