Post Office Kalyanpur B.o Pin Code In Na State Bihar District East Champaran
| Post Office | Kalyanpur B.o |
| Division | East Champaran |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Na |
| District | East Champaran |
| State | Bihar |
| Phone | NA |
| Sub Office | Bakarpur Jagat S.O |
| Head Office | Motihari H.O |
| Pincode | 845413 |
kalyanpur b.o branch pincode is 845413
kalyanpur b.o branch phone number is NA
kalyanpur b.o branch Head Office is Motihari H.O