Post Office Karahi B.o Pin Code In Chapra State Bihar District Saran
| Post Office | Karahi B.o |
| Division | Saran |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chapra |
| District | Saran |
| State | Bihar |
| Phone | NA |
| Sub Office | Parsagarh S.O |
| Head Office | Chapra H.O |
| Pincode | 841220 |
karahi b.o branch pincode is 841220
karahi b.o branch phone number is NA
karahi b.o branch Head Office is Chapra H.O