Post Office Dumma B.o Pin Code In Giridih State Jharkhand District Giridh
| Post Office | Dumma B.o |
| Division | Giridih |
| Region | Ranchi |
| Circle | Jharkhand |
| Taluka | Jamuagiridih |
| District | Giridh |
| State | Jharkhand |
| Phone | NA |
| Sub Office | Jamua S.O (Giridh) |
| Head Office | Giridih H.O |
| Pincode | 815318 |
dumma b.o branch pincode is 815318
dumma b.o branch phone number is NA
dumma b.o branch Head Office is Giridih H.O