| Post office | Sioruan B.O |
| Pin code | 802220 |
| Office type | B.O |
| Taluk / city | Bikramganj |
| District name | Rohtas |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Rohtas |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Sanjhauli S.O |
| Related head office | Sasaram H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 802220 | Bensagar B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Kajhain B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Karmaini B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Masauna B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Sioruan B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Tilain B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Udaipur B.O | Bikramganj | Rohtas | Bihar |
| 802220 | Itriya B.O | Karakat | Rohtas | Bihar |
| 802220 | Sanjhauli S.O | Nokha | Rohtas | Bihar |