| Locality | Postal Code |
|---|---|
| Cedar Vale, Chautauqua | 67024 |
| Chautauqua, Chautauqua | 67334 |
| Elk City, Chautauqua | 67344 |
| Grenola, Chautauqua | 67346 |
| Havana, Chautauqua | 67347 |
| Hewins, Chautauqua | 67024 |
| Longton, Chautauqua | 67352 |
| Moline, Chautauqua | 67353 |
| Niotaze, Chautauqua | 67355 |
| Peru, Chautauqua | 67360 |
| Sedan, Chautauqua | 67361 |