Saint John zipcode
| City | Saint John |
| ZIP Code | 46373 |
| Type | Standard |
| State Code | IN |
| State | Indiana |
ZIP code of Saint John is 46373. This place is located in Indiana state in US. To send any postal service to Saint John, you must use 46373 zipcode.
You should avoid following 1 city name of Indiana to be used with the ZIP code 46373.
- St John, IN