| Locality | Postal Code |
|---|---|
| Angola, Montgomery | 67337 |
| Caney, Montgomery | 67333 |
| Cherryvale, Montgomery | 67335 |
| Coffeyville, Montgomery | 67337 |
| Dearing, Montgomery | 67340 |
| Elk City, Montgomery | 67344 |
| Havana, Montgomery | 67347 |
| Independence, Montgomery | 67301 |
| Liberty, Montgomery | 67351 |
| Sycamore, Montgomery | 67363 |
| Tyro, Montgomery | 67364 |