| Office Name | Siyadih B.O |
| Pincodes | 824207 |
| Area | Siyadih |
| 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 | Siyadih B.O |
| Pincodes | 802223 |
| Area | Siyadih |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Bhojpur |
| Postal Region | Patna Hq |
| District | Bhojpur |
| State | Bihar |
| Telephone No. | Na |