| Office Name | Semariyawan B.O |
| Pincodes | 271871 |
| Area | Semariyawan |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Bahraich |
| Postal Region | Gorakhpur |
| District | Bahraich |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Semariyawan S.O |
| Pincodes | 272126 |
| Area | Semariyawan |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Basti |
| Postal Region | Gorakhpur |
| District | Basti |
| State | Uttar Pradesh |
| Telephone No. | 05548-264328 |