| Office Name | Bariarpur B.O |
| Pincodes | 845401 |
| Area | Bariarpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Bariarpur B.O |
| Pincodes | 852127 |
| Area | Bariarpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Saharsa |
| Postal Region | Muzaffarpur |
| District | Saharsa |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Bariarpur B.O |
| Pincodes | 273163 |
| Area | Bariarpur |
| Office Status | Branch Post Office |
| Postal Circle | Uttar Pradesh |
| Postal Division | Gorakhpur |
| Postal Region | Gorakhpur |
| District | Maharajganj |
| State | Uttar Pradesh |
| Telephone No. | Na |