| Office Name | Buxar B.O |
| Pincodes | 824129 |
| Area | Buxar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Aurangabad Bihar |
| Postal Region | Patna Hq |
| District | Aurangabad Bh |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Buxar H.O |
| Pincodes | 802101 |
| Area | Buxar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhojpur |
| Postal Region | Patna Hq |
| District | Buxar |
| State | Bihar |
| Telephone No. | 06183-227860 |