| Post Office | Valparaiso |
| Division | Porter |
| Zipcode | 46383 |
| Post Office | Valparaiso |
| Division | Porter |
| Zipcode | 46385 |
| Post Office | Portage |
| Division | Porter |
| Zipcode | 46368 |
| Post Office | Chesterton |
| Division | Porter |
| Zipcode | 46304 |
| Post Office | Hebron |
| Division | Porter |
| Zipcode | 46341 |
| Post Office | Kouts |
| Division | Porter |
| Zipcode | 46347 |
| Post Office | Beverly Shores |
| Division | Porter |
| Zipcode | 46301 |
| Post Office | Wheeler |
| Division | Porter |
| Zipcode | 46393 |
| Post Office | Boone Grove |
| Division | Porter |
| Zipcode | 46302 |
| Post Office | Valparaiso |
| Division | Porter |
| Zipcode | 46384 |
8 City in Porter | List of Zip Codes Location In Indiana and Your selected County Porter