| Localité | Code postal |
|---|---|
| Hanna, LaPorte | 46340 |
| Haskells, LaPorte | 46390 |
| Kingsbury, LaPorte | 46345 |
| Kingsford Heights, LaPorte | 46346 |
| La Crosse, LaPorte | 46348 |
| La Porte, LaPorte | 46350 |
| Long Beach, LaPorte | 46360 |
| Michiana Shores, LaPorte | 46360 |
| Michigan City, LaPorte | 46360 |
| Mill Creek, LaPorte | 46365 |
| Otis, LaPorte | 46391 |
| Pines, LaPorte | 46360 |
| Pottawattamie Park, LaPorte | 46360 |
| Rolling Prairie, LaPorte | 46371 |
| South Wanatah, LaPorte | 46390 |
| Thomaston, LaPorte | 46390 |
| Town of Pines, LaPorte | 46360 |
| Trail Creek, LaPorte | 46360 |
| Union Mills, LaPorte | 46382 |
| Wanatah, LaPorte | 46390 |
| Wellsboro, LaPorte | 46382 |
| Westville, LaPorte | 46391 |