| Post Office | Ilmasnagar S.o | 
| Division | Samastipur | 
| Region | Muzaffarpur | 
| Circle | Bihar | 
| Taluka | Samastipur | 
| District | Samastipur | 
| State | Bihar | 
| Phone | 06274-111111 | 
| Sub Office | NA | 
| Head Office | Samastipur H.O | 
| Pincode | 848117 | 
=$city?> ilmasnagar s.o branch pincode is 848117
ilmasnagar s.o branch phone number is 06274-111111
ilmasnagar s.o branch Head Office is Samastipur H.O