| Post Office | Red Lodge |
| Division | Carbon |
| Pincode | 59068 |
| Post Office | Joliet |
| Division | Carbon |
| Pincode | 59041 |
| Post Office | Bridger |
| Division | Carbon |
| Pincode | 59014 |
| Post Office | Roberts |
| Division | Carbon |
| Pincode | 59070 |
| Post Office | Fromberg |
| Division | Carbon |
| Pincode | 59029 |
| Post Office | Belfry |
| Division | Carbon |
| Pincode | 59008 |