Post Office Bir B.o Pin Code In Masaurhi State Bihar District Patna
| Post Office | Bir B.o |
| Division | Patna |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Masaurhi |
| District | Patna |
| State | Bihar |
| Phone | NA |
| Sub Office | Hazrat Sain S.O |
| Head Office | Patna G.P.O. |
| Pincode | 804451 |
bir b.o branch pincode is 804451
bir b.o branch phone number is NA
bir b.o branch Head Office is Patna G.P.O.