Post Office Karwandia B.o Pin Code In Dehri State Bihar District Rohtas
| Post Office | Karwandia B.o |
| Division | Rohtas |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Dehri On Sone |
| District | Rohtas |
| State | Bihar |
| Phone | NA |
| Sub Office | Dalmianagar S.O |
| Head Office | Sasaram H.O |
| Pincode | 821305 |
karwandia b.o branch pincode is 821305
karwandia b.o branch phone number is NA
karwandia b.o branch Head Office is Sasaram H.O