| Office Name | Hilsa B.O |
| Pincodes | 811301 |
| Area | Hilsa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Monghyr |
| Postal Region | Patna Hq |
| District | Jamui |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Hilsa S.O |
| Pincodes | 801302 |
| Area | Hilsa |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Nalanda |
| Postal Region | Patna Hq |
| District | Nalanda |
| State | Bihar |
| Telephone No. | 06111-252222 |