PinCode: 841423, Sidhwalia Post Office, Gopalganj, Gopalganj, Bihar
| Post Office | Sidhwalia |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 841423
Click here for Post Offices having same PinCode |
| Telephone | 06156-111111 |
| Town/Taluk | Gopalganj |
| District | Gopalganj |
| State | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Gopalganj, Gopalganj, Bihar