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