| Post Office | Bairoganj |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Katoria S.O |
| Head Office | Banka H.O |
| Pincode |
813106
|
| Post Office | Barbasaui |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Katoria S.O |
| Head Office | Banka H.O |
| Pincode |
813106
|
| Post Office | Bauiakura |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Katoria S.O |
| Head Office | Banka H.O |
| Pincode |
813106
|
| Post Office | Bhelwa |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Tarapur S.O (Munger) |
| Head Office | Bhagalpur H.O |
| Pincode |
813221
|
| Post Office | Bhorsar |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Chandan S.O |
| Head Office | Banka H.O |
| Pincode |
814131
|
| Post Office | Charkapathar |
| Division | Bhagalpur |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Katoria |
| District | Banka |
| State | Bihar |
| Phone | NA |
| Sub Office | Katoria S.O |
| Head Office | Banka H.O |
| Pincode |
813106
|