| Post office | Dumari B.O |
| Pin code | 821104 |
| Office type | B.O |
| Taluk / city | Sheosagar |
| District name | Rohtas |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Rohtas |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Chenari S.O |
| Related head office | Sasaram H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 821104 | Sabar B.O | Rampur | Kaimur (Bhabua) | Bihar |
| 821104 | Amaon Baraon B.O | Chenari | Rohtas | Bihar |
| 821104 | Bhitari Bandh B.O | Chenari | Rohtas | Bihar |
| 821104 | Chandarkaihti B.O | Chenari | Rohtas | Bihar |
| 821104 | Chenari S.O | Chenari | Rohtas | Bihar |
| 821104 | Mamrejpur B.O | Chenari | Rohtas | Bihar |
| 821104 | Nauhatta B.O | Chenari | Rohtas | Bihar |
| 821104 | Sadokhar B.O | Chenari | Rohtas | Bihar |
| 821104 | Sikrour B.O | Chenari | Rohtas | Bihar |
| 821104 | Ugahni B.O | Chenari | Rohtas | Bihar |
| 821104 | Dumari B.O | Sheosagar | Rohtas | Bihar |