| Post office | Barail B.O |
| Pin code | 852110 |
| Office type | B.O |
| Taluk / city | Supaul |
| District name | Supaul |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Saharsa |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Garh Baruari S.O |
| Related head office | Saharsa H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 852110 | Barail B.O | Supaul | Supaul | Bihar |
| 852110 | Ekma B.O | Supaul | Supaul | Bihar |
| 852110 | Garh Baruari S.O | Supaul | Supaul | Bihar |
| 852110 | Kathbanshi B.O | Supaul | Supaul | Bihar |
| 852110 | Laukaha B.O | Supaul | Supaul | Bihar |
| 852110 | Makuna B.O | Supaul | Supaul | Bihar |
| 852110 | Mohania B.O | Supaul | Supaul | Bihar |
| 852110 | Rakia B.O | Supaul | Supaul | Bihar |