| Locality | Post Code |
|---|---|
| Annis, Jefferson | 83442 |
| Hamer, Jefferson | 83425 |
| Heise, Jefferson | 83443 |
| Labelle, Jefferson | 83442 |
| Lewisville, Jefferson | 83431 |
| Lorenzo, Jefferson | 83442 |
| Menan, Jefferson | 83434 |
| Monteview, Jefferson | 83435 |
| Mud Lake, Jefferson | 83450 |
| Rigby, Jefferson | 83442 |
| Ririe, Jefferson | 83443 |
| Roberts, Jefferson | 83444 |
| Terreton, Jefferson | 83450 |