Complete ZIP Code Details
| ZIP Code | 45040 |
| City | Mason |
| State | Ohio (OH) |
| County | Warren |
| Timezone | America/New_York |
| Coordinates | 39.3502300, -84.3099600 |
| Population | 59,518 |
| ZIP Type | STANDARD |
| Country | United States |
| ZIP Code | 45040 |
| City | Mason |
| State | Ohio (OH) |
| County | Warren |
| Timezone | America/New_York |
| Coordinates | 39.3502300, -84.3099600 |
| Population | 59,518 |
| ZIP Type | STANDARD |
| Country | United States |