| Locality | Post Code |
|---|---|
| Circleville, Jackson | 66416 |
| Delia, Jackson | 66418 |
| Denison, Jackson | 66419 |
| Emmett, Jackson | 66422 |
| Havensville, Jackson | 66432 |
| Holton, Jackson | 66436 |
| Hoyt, Jackson | 66440 |
| Mayetta, Jackson | 66509 |
| Netawaka, Jackson | 66516 |
| Soldier, Jackson | 66540 |
| Wetmore, Jackson | 66550 |
| Whiting, Jackson | 66552 |