| Post Office | Dariapur (east Champaran) |
| Division | East Champaran |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Sangrampur |
| District | East Champaran |
| State | Bihar |
| Phone | 06258-281643 |
| Sub Office | NA |
| Head Office | Motihari H.O |
| Pincode |
845417
|
| Post Office | Sangrampur (east Champaran) |
| Division | East Champaran |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Sangrampur |
| District | East Champaran |
| State | Bihar |
| Phone | 06258-285230 |
| Sub Office | NA |
| Head Office | Motihari H.O |
| Pincode |
845434
|