| Post office | Birpur S.O (Supaul) |
| Pin code | 854340 |
| Office type | S.O |
| Taluk / city | Basantpur |
| District name | Supaul |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Saharsa |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | NA |
| Related head office | Saharsa H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 854340 | Birpur S.O (Supaul) | Basantpur | Supaul | Bihar |
| 854340 | Banailipatti B.O | NA | Supaul | Bihar |
| 854340 | Basantpur B.O | NA | Supaul | Bihar |