About ZIP code 99128
The ZIP code 99128 routes mail to Farmington in the Washington 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
99128 - Farmington
ZIP code 99128 is Farmington in Washington, United States.
| ZIP code | 99128 |
| Place | Farmington |
| Region | Washington |
| District | Whitman |
| Country | United States (US) |
| Coordinates | 47.0847, -117.0763 (map) |