| Locality | Post Code |
|---|---|
| Bruneau, Owyhee | 83604 |
| Bruneau Valley, Owyhee | 83604 |
| Grand View, Owyhee | 83624 |
| Grasmere, Owyhee | 83604 |
| Homedale, Owyhee | 83628 |
| Marsing, Owyhee | 83639 |
| Murphy, Owyhee | 83650 |
| Oreana, Owyhee | 83650 |
| Reynolds, Owyhee | 83650 |
| Riddle, Owyhee | 83604 |
| Silver City, Owyhee | 83650 |