| Post Office | Kalyanpur B.o |
| Division | Siwan |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Gopalganj |
| District | Gopalganj |
| State | Bihar |
| Phone | NA |
| Sub Office | Bathubazar S.O |
| Head Office | Gopalganj H.O |
| Pincode | 841425 |
The kalyanpur b.o post office, situated in gopalganj Taluka of bihar district gopalganj, operates under the siwan Division. With its PIN code 841425, it connects to the Bathubazar S.O and the Gopalganj H.O, ensuring efficient postal services. Located within the muzaffarpur Region and the bihar Circle, this post office plays a crucial role in supporting communication and logistics in the area.
kalyanpur b.o branch pincode is 841425
kalyanpur b.o branch phone number is NA
kalyanpur b.o branch Head Office is Gopalganj H.O