| Post office | Chhotkarajpur B.O |
| Pin code | 802113 |
| Office type | B.O |
| Taluk / city | Rajpur |
| District name | Buxar |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Bhojpur |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Barkarajpur S.O |
| Related head office | Buxar H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 802113 | Barkarajpur S.O | Rajpur | Buxar | Bihar |
| 802113 | Chhotkarajpur B.O | Rajpur | Buxar | Bihar |
| 802113 | Keshopur B.O | Rajpur | Buxar | Bihar |