| Post office | Bhopatpur B.O |
| Pin code | 845432 |
| Office type | B.O |
| Taluk / city | Kalyanpur |
| District name | East Champaran |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | East Champaran |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Rajpur S.O (East Champaran) |
| Related head office | Motihari H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 845432 | Bhgwatia B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Bhopatpur B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Darmaha B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Gariba B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Hazipur B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Jasouli Jamunia B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Konia B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Siswa Patna B.O | Kalyanpur | East Champaran | Bihar |
| 845432 | Siswa Khar AR B.O | Klyanpur | East Champaran | Bihar |
| 845432 | Raghunathpur Bazar B.O | Ramgarhwa | East Champaran | Bihar |
| 845432 | Rajpur S.O (East Champaran) | Tetaria | East Champaran | Bihar |