| Sr. No. | Office Name | Pincode | Office Type Status | Delivery Status | Division | Region | Circle | Taluk | District Name | Telephone | Related Sub Office | Related Head office |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21. | Barheyan B.O | 841436 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Hathwa S.O | Gopalganj H.O |
| 22. | Barhima B.O | 841423 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Sidhwalia S.O | Gopalganj H.O |
| 23. | Barkagaon B.O | 841436 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Hathwa S.O | Gopalganj H.O |
| 24. | Basdila B.O | 841428 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Gopalganj College S.O | Gopalganj H.O |
| 25. | Batardey B.O | 841405 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Barauli S.O (Gopalganj) | Gopalganj H.O |
| 26. | Bathubazar S.O | 841425 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06150-111111 | - | Gopalganj H.O |
| 27. | Belhi Khas B.O | 841437 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Kateya S.O | Gopalganj H.O |
| 28. | Belsand B.O | 841413 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Jamobazar S.O | Gopalganj H.O |
| 29. | Bhagipatti Jhul B.O | 841437 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Kateya S.O | Gopalganj H.O |
| 30. | Bhagwatparsa B.O | 841425 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bathubazar S.O | Gopalganj H.O |
| 31. | Bhaisahi B.O | 841427 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Garhmanjha S.O | Gopalganj H.O |
| 32. | Bharpurwa B.O | 841508 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Bijaipur S.O (Gopalganj) | Gopalganj H.O |
| 33. | Bhathwa B.O | 841441 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | - | Gopalganj | - | Baghibazar S.O | Gopalganj H.O |
| 34. | Bhitbherwa B.O | 841428 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Gopalganj College S.O | Gopalganj H.O |
| 35. | Bhore S.O | 841426 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06156-276504 | - | Gopalganj H.O |
| 36. | Bijaipur S.O (Gopalganj) | 841508 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06156-111111 | - | Gopalganj H.O |
| 37. | Bindwalia B.O | 841501 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Kuchaikote S.O | Gopalganj H.O |
| 38. | Bishambharpur B.O | 841501 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Kuchaikote S.O | Gopalganj H.O |
| 39. | Bishunpura S.O | 841407 | Sub Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | 06156-111111 | - | Gopalganj H.O |
| 40. | Bodhachhapar B.O | 841503 | Branch Post Office | Delivery | Siwan | Muzaffarpur | Bihar | Gopalganj | Gopalganj | - | Nechwajalapur S.O | Gopalganj H.O |
