| Post office | Gangapur B.O |
| Pin code | 848121 |
| Office type | B.O |
| Taluk / city | Samastipur |
| District name | Samastipur |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Samastipur |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Morwa S.O |
| Related head office | Samastipur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 848121 | Gangapur B.O | Samastipur | Samastipur | Bihar |
| 848121 | Morwa S.O | Samastipur | Samastipur | Bihar |
| 848121 | Nikaspur Nisfi B.O | Samastipur | Samastipur | Bihar |
| 848121 | Ramapur Maheshpur B.O | Samastipur | Samastipur | Bihar |