| 46301 Beverly Shores | 219 | Porter County | Indiana (IN) |
| 46301 Beverly Shrs | 219 | Porter County | Indiana (IN) |
| 46302 Boone Grove | 219 | Porter County | Indiana (IN) |
| 46304 Burns Harbor | 219 | Porter County | Indiana (IN) |
| 46304 Chesterton | 219 | Porter County | Indiana (IN) |
| 46304 Porter | 219 | Porter County | Indiana (IN) |
| 46304 Dune Acres | 219 | Porter County | Indiana (IN) |
| 46341 Hebron | 219 | Porter County | Indiana (IN) |
| 46347 Kouts | 219 | Porter County | Indiana (IN) |
| 46368 Portage | 219 | Porter County | Indiana (IN) |
| 46368 Ogden Dunes | 219 | Porter County | Indiana (IN) |
| 46383 Valparaiso | 219 | Porter County | Indiana (IN) |
| 46383 Valpo | 219 | Porter County | Indiana (IN) |
| 46384 Valparaiso | 219 | Porter County | Indiana (IN) |
| 46384 Valpo | 219 | Porter County | Indiana (IN) |
| 46385 Valparaiso | 219 | Porter County | Indiana (IN) |
| 46385 Valpo | 219 | Porter County | Indiana (IN) |
| 46393 Wheeler | 219 | Porter County | Indiana (IN) |