| Locality | Post Code |
|---|---|
| Aladdin, Crook | 82710 |
| Alva, Crook | 82711 |
| Beulah, Crook | 82712 |
| Carlile, Crook | 82721 |
| Devils Tower, Crook | 82714 |
| Hulett, Crook | 82720 |
| Moorcroft, Crook | 82721 |
| New Haven, Crook | 82720 |
| Oshoto, Crook | 82721 |
| Pine Haven, Crook | 82721 |
| Sundance, Crook | 82729 |