| Locality | Post Code |
|---|---|
| Ari, Whitley | 46723 |
| Big Lake, Whitley | 46725 |
| Blue Lake, Whitley | 46723 |
| Churubusco, Whitley | 46723 |
| Coesse, Whitley | 46725 |
| Collamer, Whitley | 46787 |
| Collins, Whitley | 46725 |
| Columbia City, Whitley | 46725 |
| Eel River, Whitley | 46723 |
| Etna, Whitley | 46725 |
| Etna-Troy, Whitley | 46764 |
| Goose Lake, Whitley | 46725 |
| Larwill, Whitley | 46764 |
| Laud, Whitley | 46725 |
| Loon Lake, Whitley | 46725 |
| Lorane, Whitley | 46725 |
| Luther, Whitley | 46787 |
| Ormas, Whitley | 46725 |
| Peabody, Whitley | 46725 |
| Raber, Whitley | 46725 |
| South Whitley, Whitley | 46787 |
| Thorncreek, Whitley | 46725 |
| Tri Lakes, Whitley | 46725 |
| Tunker, Whitley | 46787 |
| Wilson Lake, Whitley | 46725 |