| Post office | Gonai B.O |
| Pin code | 813201 |
| Office type | B.O |
| Taluk / city | Tarapur |
| District name | Munger |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Bhagalpur |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Asarganj S.O |
| Related head office | Bhagalpur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 813201 | Nayagaon B.O | Bausi | Banka | Bihar |
| 813201 | Dhuibelari B.O | Shambhuganj | Banka | Bihar |
| 813201 | Asarganj S.O | Asarganj | Munger | Bihar |
| 813201 | Amaiya B.O | Tarapur | Munger | Bihar |
| 813201 | Bath B.O | Tarapur | Munger | Bihar |
| 813201 | Chatmadih B.O | Tarapur | Munger | Bihar |
| 813201 | Chorgaon B.O | Tarapur | Munger | Bihar |
| 813201 | Gonai B.O | Tarapur | Munger | Bihar |
| 813201 | Karaharia B.O | Tarapur | Munger | Bihar |
| 813201 | Lakhanpur B.O | Tarapur | Munger | Bihar |
| 813201 | Makwa B.O | Tarapur | Munger | Bihar |
| 813201 | Mamai B.O | Tarapur | Munger | Bihar |
| 813201 | Muskipur B.O | Tarapur | Munger | Bihar |