| Post Office | Ratnasara |
| Division | Madhubani |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Nirmali S.O (Supaul) |
| Head Office | Madhubani H.O |
| Pincode |
847452
|
| Post Office | Bhawanipur Patni |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Pratapganj S.O (Supaul) |
| Head Office | Saharsa H.O |
| Pincode |
852125
|
| Post Office | Chunni\ |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Surpatganj S.O |
| Head Office | Saharsa H.O |
| Pincode |
852137
|
| Post Office | Daharia |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Surpatganj S.O |
| Head Office | Saharsa H.O |
| Pincode |
852137
|
| Post Office | Ghiwaha |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Surpatganj S.O |
| Head Office | Saharsa H.O |
| Pincode |
852137
|
| Post Office | Girdharpatti |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Chhatapur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Surpatganj S.O |
| Head Office | Saharsa H.O |
| Pincode |
852137
|