Washington zipcode
| City | Washington |
| ZIP Code | 20390 |
| Type | Company/Organization |
| State Code | DC |
| State | District of Columbia |
ZIP code of Washington is 20390. This place is located in District of Columbia state in US. To send any postal service to Washington, you must use 20390 zipcode.
The ZIP code 20390 is also used with 2 more city names of District of Columbia.
- Marine Barrks, DC
- Us Marine Corps Barracks, DC
You should avoid following 1 city name of District of Columbia to be used with the ZIP code 20390.
- Dept Navy Other Offices, DC