| Post Office | Lalpur |
| Division | Madhubani |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Basantpur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Nirmali S.O (Supaul) |
| Head Office | Madhubani H.O |
| Pincode |
847452
|
| Post Office | Birpur (supaul) |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Basantpur |
| District | Supaul |
| State | Bihar |
| Phone | 06471-222030 |
| Sub Office | NA |
| Head Office | Saharsa H.O |
| Pincode |
854340
|
| Post Office | Saheban |
| Division | Saharsa |
| Region | Muzaffarpur |
| Circle | Bihar |
| Taluka | Basantpur |
| District | Supaul |
| State | Bihar |
| Phone | NA |
| Sub Office | Bhimnagar Bairrage S.O |
| Head Office | Saharsa H.O |
| Pincode |
854338
|