Post Office Sirsi B.o Pin Code In Bakhtiarpur State Bihar District Patna
| Post Office | Sirsi B.o |
| Division | Nalanda |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Bakhtiarpur |
| District | Patna |
| State | Bihar |
| Phone | NA |
| Sub Office | Harnaut S.O |
| Head Office | Biharsharif H.O |
| Pincode | 803110 |
sirsi b.o branch pincode is 803110
sirsi b.o branch phone number is NA
sirsi b.o branch Head Office is Biharsharif H.O