| Post Office | Kalyanpur S.o (samastipur) | 
| Division | Samastipur | 
| Region | Muzaffarpur | 
| Circle | Bihar | 
| Taluka | Samastipur | 
| District | Samastipur | 
| State | Bihar | 
| Phone | 06278-111111 | 
| Sub Office | NA | 
| Head Office | Samastipur H.O | 
| Pincode | 848160 | 
=$city?> kalyanpur s.o (samastipur) branch pincode is 848160
kalyanpur s.o (samastipur) branch phone number is 06278-111111
kalyanpur s.o (samastipur) branch Head Office is Samastipur H.O