| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Achhaibar Pipra B.O | 841405 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Barauli S.O (Gopalganj) | Gopalganj H.O |
| 2. | Aghaila B.O | 841436 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Hathwa S.O | Gopalganj H.O |
| 3. | Ahiyapur B.O | 841426 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bhore S.O | Gopalganj H.O |
| 4. | Amarpur B.O | 841423 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Sidhwalia S.O | Gopalganj H.O |
| 5. | Amwa Nakchhed B.O | 841428 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Gopalganj College S.O | Gopalganj H.O |
| 6. | B.A. Pakwalia B.O | 841438 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Mirganj S.O | Gopalganj H.O |
| 7. | B.A.Sonbarsa B.O | 841405 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Barauli S.O (Gopalganj) | Gopalganj H.O |
| 8. | B.D.Mahuwan B.O | 841508 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bijaipur S.O (Gopalganj) | Gopalganj H.O |
| 9. | B.R. Bhan B.O | 841436 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Hathwa S.O | Gopalganj H.O |
| 10. | B.Rampur B.O | 841405 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Barauli S.O (Gopalganj) | Gopalganj H.O |
| 11. | Babubishunpur B.O | 841428 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Gopalganj College S.O | Gopalganj H.O |
| 12. | Baghibazar S.O | 841441 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06156-111111 | - | Gopalganj H.O |
| 13. | Baikunthpur B.O | 841409 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Dighwdubauli S.O | Gopalganj H.O |
| 14. | Bairiya B.O | 841508 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bijaipur S.O (Gopalganj) | Gopalganj H.O |
| 15. | Baleshra B.O | 841438 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Mirganj S.O | Gopalganj H.O |
| 16. | Balthra B.O | 841503 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Nechwajalapur S.O | Gopalganj H.O |
| 17. | Balwansagar B.O | 841501 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Kuchaikote S.O | Gopalganj H.O |
| 18. | Bankata Jagirdari B.O | 841426 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bhore S.O | Gopalganj H.O |
| 19. | Baraiptti B.O | 841428 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Gopalganj College S.O | Gopalganj H.O |
| 20. | Barauli S.O (Gopalganj) | 841405 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06156-111111 | - | Gopalganj H.O |
