| Office Name | Mahna S.O |
| Pincodes | 851210 |
| Area | Mahna |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Begusarai |
| Postal Region | Muzaffarpur |
| District | Begusarai |
| State | Bihar |
| Telephone No. | 06243-265250 |
| Office Name | Mahna B.O |
| Pincodes | 232333 |
| Area | Mahna |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Ghazipur |
| Postal Region | Allahabad |
| District | Ghazipur |
| State | Uttar Pradesh |
| Telephone No. | Na |