About ZIP code 99328
The ZIP code 99328 routes mail to Dayton 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
99328 - Dayton
ZIP code 99328 is Dayton in Washington, United States.
| ZIP code | 99328 |
| Place | Dayton |
| Region | Washington |
| District | Columbia |
| Country | United States (US) |
| Coordinates | 46.3075, -117.9738 (map) |