| Office Name | Sonwani B.O |
| Pincodes | 277402 |
| Area | Sonwani |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ballia |
| Postal Region | Gorakhpur |
| District | Ballia |
| State | Uttar Pradesh |
| Telephone No. | Na |
| Office Name | Sonwani B.O |
| Pincodes | 233228 |
| Area | Sonwani |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ghazipur |
| Postal Region | Allahabad |
| District | Ghazipur |
| State | Uttar Pradesh |
| Telephone No. | Na |