About ZIP code 45040
The ZIP code 45040 routes mail to Mason in the Ohio 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
45040 - Mason
ZIP code 45040 is Mason in Ohio, United States.
| ZIP code | 45040 |
| Place | Mason |
| Region | Ohio |
| District | Warren |
| Country | United States (US) |
| Coordinates | 39.3357, -84.3149 (map) |