Post Office Jonka B.o Pin Code In Rajmahal State Jharkhand District Sahibganj
| Post Office | Jonka B.o |
| Division | Santhal Parganas |
| Region | Ranchi |
| Circle | Jharkhand |
| Taluka | Rajmahal |
| District | Sahibganj |
| State | Jharkhand |
| Phone | NA |
| Sub Office | Tinpahar RS S.O |
| Head Office | Dumka H.O |
| Pincode | 816116 |
jonka b.o branch pincode is 816116
jonka b.o branch phone number is NA
jonka b.o branch Head Office is Dumka H.O