| Office Name | Sahatwar B.O |
| Pincodes | 841439 |
| Area | Sahatwar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sahatwar S.O |
| Pincodes | 277211 |
| Area | Sahatwar |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ballia |
| Postal Region | Gorakhpur |
| District | Ballia |
| State | Uttar Pradesh |
| Telephone No. | 05494-262024 |