| Office Name | Siswa Bazar B.O |
| Pincodes | 845422 |
| Area | Siswa Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Siswa Bazar S.O |
| Pincodes | 273163 |
| Area | Siswa Bazar |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Gorakhpur |
| Postal Region | Gorakhpur |
| District | Gorakhpur |
| State | Uttar Pradesh |
| Telephone No. | 05523-232130 |