| Office Name | Biraul S.O |
| Pincodes | 847203 |
| Area | Biraul |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Darbhanga |
| Postal Region | Muzaffarpur |
| District | Darbhanga |
| State | Bihar |
| Telephone No. | 06242-232222 |
| Office Name | Biraul B.O |
| Pincodes | 847228 |
| Area | Biraul |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Madhubani |
| Postal Region | Muzaffarpur |
| District | Madhubani |
| State | Bihar |
| Telephone No. | Na |