| Office Name | B.R. Bhan B.O |
| Pincodes | 841436 |
| Area | B.R. Bhan |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | B.Rampur B.O |
| Pincodes | 841405 |
| Area | B.Rampur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Babhanbara B.O |
| Pincodes | 841506 |
| Area | Babhanbara |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Babubishunpur B.O |
| Pincodes | 841428 |
| Area | Babubishunpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Badram B.O |
| Pincodes | 841241 |
| Area | Badram |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Bagaura S.O |
| Pincodes | 841404 |
| Area | Bagaura |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | 06154-111111 |
| Office Name | Baghi B.O |
| Pincodes | 841406 |
| Area | Baghi |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Baghibazar S.O |
| Pincodes | 841441 |
| Area | Baghibazar |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | 06156-111111 |
| Office Name | Bahadur Bazar B.O |
| Pincodes | 841404 |
| Area | Bahadur Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Baijubarhoga B.O |
| Pincodes | 841406 |
| Area | Baijubarhoga |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Baikunthpur B.O |
| Pincodes | 841409 |
| Area | Baikunthpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Bairiya B.O |
| Pincodes | 841508 |
| Area | Bairiya |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Bakerganj S.O |
| Pincodes | 841286 |
| Area | Bakerganj |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | 06154-111111 |
| Office Name | Bakhri B.O |
| Pincodes | 841203 |
| Area | Bakhri |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Balaun B.O |
| Pincodes | 841244 |
| Area | Balaun |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Baleshra B.O |
| Pincodes | 841438 |
| Area | Baleshra |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Balhu B.O |
| Pincodes | 841234 |
| Area | Balhu |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Balia B.O |
| Pincodes | 841506 |
| Area | Balia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Ballia B.O |
| Pincodes | 841237 |
| Area | Ballia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Balliapokhra B.O |
| Pincodes | 841238 |
| Area | Balliapokhra |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Siwan |
| State | Bihar |
| Telephone No. | Na |