| Locality | Post Code |
|---|---|
| Bonanza, Custer | 83278 |
| Challis, Custer | 83226 |
| Chilly, Custer | 83251 |
| Clayton, Custer | 83227 |
| Ellis, Custer | 83235 |
| Lower Stanley, Custer | 83278 |
| Mackay, Custer | 83251 |
| Redfish Lake, Custer | 83278 |
| Stanley, Custer | 83278 |
| Sunbeam, Custer | 83278 |
| Torrey, Custer | 83227 |