| Office Name | Sihma B.O |
| Pincodes | 851129 |
| Area | Sihma |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Begusarai |
| Postal Region | Muzaffarpur |
| District | Begusarai |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Sihma B.O |
| Pincodes | 848207 |
| Area | Sihma |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Samastipur |
| Postal Region | Muzaffarpur |
| District | Samastipur |
| State | Bihar |
| Telephone No. | Na |