| Post office | Patar B.O |
| Pin code | 841502 |
| Office type | B.O |
| Taluk / city | Andar |
| District name | Siwan |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Siwan |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Khujhwa S.O |
| Related head office | Siwan H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 841502 | Patar B.O | Andar | Siwan | Bihar |
| 841502 | Khujhwa S.O | Siwan | Siwan | Bihar |
| 841502 | Santhi B.O | Siwan | Siwan | Bihar |