| Post Office | Barmasia |
| Division | Santhal Parganas |
| Region | Ranchi |
| Circle | Jharkhand |
| Taluka | Na |
| District | Sahibganj |
| State | Jharkhand |
| Phone | NA |
| Sub Office | Barhait S.O |
| Head Office | Dumka H.O |
| Pincode |
816102
|
| Post Office | Narayanpur East Diara |
| Division | Santhal Parganas |
| Region | Ranchi |
| Circle | Jharkhand |
| Taluka | Na |
| District | Sahibganj |
| State | Jharkhand |
| Phone | NA |
| Sub Office | Rajmahal S.O |
| Head Office | Dumka H.O |
| Pincode |
816108
|