Post Office Harsiddhi S.o Pin Code In Harsidhi State Bihar District East Champaran
| Post Office | Harsiddhi S.o |
| Division | East Champaran |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Harsidhi |
| District | East Champaran |
| State | Bihar |
| Phone | 06252-287769 |
| Sub Office | NA |
| Head Office | Motihari H.O |
| Pincode | 845422 |
harsiddhi s.o branch pincode is 845422
harsiddhi s.o branch phone number is 06252-287769
harsiddhi s.o branch Head Office is Motihari H.O