| Office Name | Waini S.O |
| Pincodes | 848131 |
| Area | Waini |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Samastipur |
| Postal Region | Muzaffarpur |
| District | Samastipur |
| State | Bihar |
| Telephone No. | 06274-111111 |
| Office Name | Waini B.O |
| Pincodes | 222302 |
| Area | Waini |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Sultanpur |
| Postal Region | Lucknow Hq |
| District | Sultanpur |
| State | Uttar Pradesh |
| Telephone No. | Na |