| Office Name | Siswa B.O |
| Pincodes | 851214 |
| Area | Siswa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Begusarai |
| Postal Region | Muzaffarpur |
| District | Khagaria |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa B.O |
| Pincodes | 841503 |
| Area | Siswa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa B.O |
| Pincodes | 242306 |
| Area | Siswa |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Shahjahanpur |
| Postal Region | Bareilly |
| District | Shahjahanpur |
| State | Uttar Pradesh |
| Telephone No. | Na |