Saint Charles zipcode
| City | Saint Charles |
| ZIP Code | 50240 |
| Type | Standard |
| State Code | IA |
| State | Iowa |
ZIP code of Saint Charles is 50240. This place is located in Iowa state in US. To send any postal service to Saint Charles, you must use 50240 zipcode.
You should avoid following 3 city names of Iowa to be used with the ZIP code 50240.
- Conger, IA
- Hanley, IA
- Wick, IA