Pincode 841423 · Gopalganj District · Bihar
| Name | Dumaria BO |
| Type | Branch Post Office |
| Pincode | 841423 |
| Taluk | Siwan Division |
| District | |
| State | |
| Coordinates | 26.3352, 84.6662 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Gopalganj, Bihar. Map data: OpenStreetMap, CARTO.
| Jhanjhawa Mohamadpur BO | Branch Post Office |
| Sidhwalia SO | Post Office |
| Sorahiya BO | Branch Post Office |
| Tekniwas BO | Branch Post Office |