| Localité | Code postal |
|---|---|
| Adams, Gage | 68301 |
| Barneston, Gage | 68309 |
| Beatrice, Gage | 68310 |
| Blue Springs, Gage | 68318 |
| Clatonia, Gage | 68328 |
| Cortland, Gage | 68331 |
| De Witt, Gage | 68341 |
| Diller, Gage | 68342 |
| Ellis, Gage | 68310 |
| Filley, Gage | 68357 |
| Firth, Gage | 68358 |
| Glenover, Gage | 68310 |
| Hallam, Gage | 68368 |
| Highland, Gage | 68331 |
| Hoag, Gage | 68310 |
| Holmesville, Gage | 68310 |
| Homestead National Monument, Gage | 68310 |
| Lanham, Gage | 68415 |
| Liberty, Gage | 68381 |
| Odell, Gage | 68415 |
| Pickrell, Gage | 68422 |
| Riverside, Gage | 68310 |
| Rockford, Gage | 68310 |
| Sicily, Gage | 68466 |
| Virginia, Gage | 68458 |
| Wymore, Gage | 68466 |