| Locality | Post Code |
|---|---|
| Avant, Osage | 74001 |
| Barnsdall, Osage | 74002 |
| Bowring, Osage | 74056 |
| Burbank, Osage | 74633 |
| Fairfax, Osage | 74637 |
| Foraker, Osage | 74652 |
| Herd, Osage | 74056 |
| Hominy, Osage | 74035 |
| Nelagony, Osage | 74056 |
| Osage, Osage | 74054 |
| Pawhuska, Osage | 74056 |
| Pearsonia, Osage | 74056 |
| Pershing, Osage | 74002 |
| Prue, Osage | 74060 |
| Sand Springs, Osage | 74063 |
| Shidler, Osage | 74652 |
| Skiatook, Osage | 74070 |
| Sperry, Osage | 74073 |
| Tallant, Osage | 74002 |
| Webb City, Osage | 74652 |
| Wolco, Osage | 74002 |
| Wynona, Osage | 74084 |