| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 51 | Bahuarwa | Pindari BO | 📍 845306 | Mainatanr | Branch Post Office |
| 52 | Bahuarwa | Sugaha Bhawanipur BO | 📍 845307 | Sikta | Branch Post Office |
| 53 | Bahuarwa | Laxmipur BO | 📍 845450 | Jogapatti | Branch Post Office |
| 54 | Bahuarwa | Padraun BO | 📍 845451 | Gaunaha | Branch Post Office |
| 55 | Bahuarwa | Ramparsauna BO | 📍 845453 | Lauriya | Branch Post Office |
| 56 | Bahuarwa | Shikarpur BO | 📍 845454 | Majhaulia | Branch Post Office |
| 57 | Bahuarwa | Sugauli BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 58 | Bahuarwa | Majharia Kisun BO | 📍 845459 | Nautan | Branch Post Office |
| 59 | Bahuarwa Tilangahi | Pindari BO | 📍 845306 | Mainatanr | Branch Post Office |
| 60 | Bahuarwa Tola Chak Thawala | Shikarpur BO | 📍 845454 | Majhaulia | Branch Post Office |
| 61 | Bahuatwa | Bagahi BO | 📍 845452 | Jogapatti | Branch Post Office |
| 62 | Baijua | Baijua BO | 📍 845438 | Bairia | Branch Post Office |
| 63 | Baikunthwa | Dianmarawa BO | 📍 845103 | Ramnagar | Branch Post Office |
| 64 | Baikunthwa | Nautan Dubey BO | 📍 845438 | Nautan | Branch Post Office |
| 65 | Baikunthwa | Bisunpura BO | 📍 845459 | Nautan | Branch Post Office |
| 66 | Baikunthwa | Mangalpur Gudaria BO | 📍 845459 | Nautan | Branch Post Office |
| 67 | Bairagi Dih | Chanayan Bandh BO | 📍 845454 | Majhaulia | Branch Post Office |
| 68 | Bairagi Dih | Rampurwa BO | 📍 845454 | Majhaulia | Branch Post Office |
| 69 | Bairagi Dih | Bishabhar Pur BO | 📍 845459 | Majhaulia | Branch Post Office |
| 70 | Bairagi Sonbarsa | Sohagi Barwa BO | 📍 845105 | Sidhaw | Branch Post Office |
| 71 | Bairaidih | Bakuli BO | 📍 845105 | Sidhaw | Branch Post Office |
| 72 | Bairatwa | Bhitiharwa Ashram BO | 📍 845455 | Gaunaha | Branch Post Office |
| 73 | Bairia | Inarwa Bazar BO | 📍 845306 | Mainatanr | Branch Post Office |
| 74 | Bairia | Bairiya Farm BO | 📍 845438 | Bairia | Branch Post Office |
| 75 | Bairia | Patzirwa BO | 📍 845438 | Bairia | Branch Post Office |
| 76 | Bairia | Damrapur BO | 📍 845451 | Gaunaha | Branch Post Office |
| 77 | Bairia | Mangrahari BO | 📍 845451 | Narkatiaganj | Branch Post Office |
| 78 | Bairia | Maniari BO | 📍 845451 | Gaunaha | Branch Post Office |
| 79 | Bairia | Amolwa BO | 📍 845455 | Gaunaha | Branch Post Office |
| 80 | Bairia | Bhitiharwa Ashram BO | 📍 845455 | Gaunaha | Branch Post Office |
| 81 | Bairia | Shyampur Kotaraha BO | 📍 845459 | Nautan | Branch Post Office |
| 82 | Bairiya | Gobarahia Done BO | 📍 845106 | Ramnagar | Branch Post Office |
| 83 | Bairiya Kalan | Bakuli BO | 📍 845105 | Sidhaw | Branch Post Office |
| 84 | Bairiya Kalan | Naurangia BO | 📍 845105 | Ramnagar | Branch Post Office |
| 85 | Bairiya Khurd | Harnatar BO | 📍 845105 | Sidhaw | Branch Post Office |
| 86 | Baisakhwa | Baishakhawa BO | 📍 845307 | Sikta | Branch Post Office |
| 87 | Baisia Khap | Jaralpur Dih BO | 📍 845452 | Jogapatti | Branch Post Office |
| 88 | Baitapur | Belwa BO | 📍 845449 | Narkatiaganj | Branch Post Office |
| 89 | Baitapur | Bheriharwa BO | 📍 845449 | Narkatiaganj | Branch Post Office |
| 90 | Baitapur | Rajpur Madan BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 91 | Baithania | Mathia Brit BO | 📍 845454 | Majhaulia | Branch Post Office |
| 92 | Bajar Keraia | Khaira Tola BO | 📍 845104 | Madhubani | Branch Post Office |
| 93 | Bajni | Jamunia BO | 📍 845455 | Gaunaha | Branch Post Office |
| 94 | Bajra | Padraun BO | 📍 845451 | Gaunaha | Branch Post Office |
| 95 | Bakharia | Bakharia BO | 📍 845454 | Majhaulia | Branch Post Office |
| 96 | Bakhraha | Semari Dumari BO | 📍 845106 | Ramnagar | Branch Post Office |
| 97 | Bakhri | Belsandi BO | 📍 845455 | Gaunaha | Branch Post Office |
| 98 | Bakhri | Saidpur BO | 📍 845455 | Narkatiaganj | Branch Post Office |
| 99 | Bakri Pachrukhiya | Bakhari Pachrukhia BO | 📍 845106 | Ramnagar | Branch Post Office |
| 100 | Bakri Pachrukhiya | Ramnagar SO West Champaran | 📍 845106 | Ramnagar | Post Office - PO |