Pincode 841233 · Siwan District · Bihar
| Name | Kolhua BO |
| Type | Branch Post Office |
| Pincode | 841233 |
| Taluk | Siwan Division |
| District | |
| State | |
| Coordinates | 26.0911, 84.4616 |
| Post Office | Type |
|---|---|
| Post Office | |
| Branch Post Office | |
| Branch Post Office |
Siwan, Bihar. Map data: OpenStreetMap, CARTO.
| Laheji BO | Branch Post Office |
| Machhauta BO | Branch Post Office |
| Mandrauli BO | Branch Post Office |
| PHarsar BO | Branch Post Office |
| Ramsapur BO | Branch Post Office |
| Rasulpur Tilouta BO | Branch Post Office |