Pincode 841408 · Siwan District · Bihar
| Name | Barkagaowan BO |
| Type | Branch Post Office |
| Pincode | 841408 |
| Taluk | Siwan Division |
| District | |
| State | |
| Coordinates | 26.1777, 84.0821 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Post Office | |
| Branch Post Office |
Siwan, Bihar. Map data: OpenStreetMap, CARTO.
| Hulesra BO | Branch Post Office |
| Sahsrawan BO | Branch Post Office |
| Sondhani BO | Branch Post Office |