| Post Office | Lame Deer |
| Division | Rosebud |
| Pincode | 59043 |
| Post Office | Forsyth |
| Division | Rosebud |
| Pincode | 59327 |
| Post Office | Colstrip |
| Division | Rosebud |
| Pincode | 59323 |
| Post Office | Ashland |
| Division | Rosebud |
| Pincode | 59003 |
| Post Office | Rosebud |
| Division | Rosebud |
| Pincode | 59347 |
| Post Office | Birney |
| Division | Rosebud |
| Pincode | 59012 |