Complete ZIP Code Details
| ZIP Code | 63304 |
| City | Saint Charles |
| State | Missouri (MO) |
| County | St. Charles |
| Timezone | America/Chicago |
| Coordinates | 38.7058300, -90.6866600 |
| Population | 43,195 |
| ZIP Type | STANDARD |
| Country | United States |
| ZIP Code | 63304 |
| City | Saint Charles |
| State | Missouri (MO) |
| County | St. Charles |
| Timezone | America/Chicago |
| Coordinates | 38.7058300, -90.6866600 |
| Population | 43,195 |
| ZIP Type | STANDARD |
| Country | United States |