| Office Name | Sonauli B.O |
| Pincodes | 841421 |
| Area | Sonauli |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Saran |
| Postal Region | Muzaffarpur |
| District | Saran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sonauli S.O |
| Pincodes | 273308 |
| Area | Sonauli |
| Office Status | Sub Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Gorakhpur |
| Postal Region | Gorakhpur |
| District | Maharajganj |
| State | Uttar Pradesh |
| Telephone No. | 05522-238040 |