Post Office A. Kala B.o Pin Code In Bikramganj State Bihar District Rohtas
| Post Office | A. Kala B.o |
| Division | Rohtas |
| Region | Patna Hq |
| Circle | Bihar |
| Taluka | Bikramganj |
| District | Rohtas |
| State | Bihar |
| Phone | NA |
| Sub Office | Dawath S.O |
| Head Office | Sasaram H.O |
| Pincode | 802226 |
a. kala b.o branch pincode is 802226
a. kala b.o branch phone number is NA
a. kala b.o branch Head Office is Sasaram H.O