| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 151 | Bariarpur | Bariyarpur BO | 📍 843302 | Dumra | Branch Post Office |
| 152 | Bariarpur | Sitamarhi Bazar SO | 📍 843302 | Dumra | Post Office - PO |
| 153 | Bariarpur | Harpurkala BO | 📍 843315 | Majorganj | Branch Post Office |
| 154 | Bariarpur | Pachaharwa BO | 📍 843332 | Majorganj | Branch Post Office |
| 155 | Barri Bihta | Choraut SO | 📍 843319 | Charaut | Post Office - PO |
| 156 | Barri Bihta | B.Behta BO | 📍 843319 | Charaut | Branch Post Office |
| 157 | Basahia | Bhutahi SO | 📍 843317 | Sonbarsa | Post Office - PO |
| 158 | Basahia | P. Dadan BO | 📍 843317 | Sonbarsa | Post Office - PO |
| 159 | Basant Khurd | Barharwa SO Sitamarhi | 📍 843315 | Suppi | Post Office - PO |
| 160 | Basant Khurd | Suppi BO | 📍 843315 | Suppi | Branch Post Office |
| 161 | Basantpur | Madhurapur BO | 📍 843314 | Bajpatti | Branch Post Office |
| 162 | Basantpur | P.Basantpur BO | 📍 843327 | Riga | Branch Post Office |
| 163 | Basantpur | Raxiya BO | 📍 843328 | Runisaidpur | Branch Post Office |
| 164 | Basantpur | Runnisaidpur SO | 📍 843328 | Runisaidpur | Post Office - PO |
| 165 | Basaul | B.Phulwariya BO | 📍 843314 | Bajpatti | Branch Post Office |
| 166 | Basbita | Basbitta BO | 📍 843315 | Majorganj | Branch Post Office |
| 167 | Basbita | Manaraya BO | 📍 843332 | Majorganj | Branch Post Office |
| 168 | Basdeopur | Ratwara BO | 📍 843333 | Bajpatti | Branch Post Office |
| 169 | Basopatti | Dadari BO | 📍 843333 | Nanpur | Branch Post Office |
| 170 | Basotra | Basotra BO | 📍 843320 | Charaut | Branch Post Office |
| 171 | Bath Asli | Nanpur SO | 📍 843333 | Nanpur | Post Office - PO |
| 172 | Bathanaha Jujharpatti | Bathnaha BO | 📍 843302 | Bathnaha | Branch Post Office |
| 173 | Bathnaha | Bathnaha BO | 📍 843302 | Bathnaha | Branch Post Office |
| 174 | Bathnaha | C.Takiya BO | 📍 843314 | Bathnaha | Branch Post Office |
| 175 | Bathnaha | Kamaldah BO | 📍 843322 | Bathnaha | Branch Post Office |
| 176 | Bathuar | Bethuara BO | 📍 843324 | Parihar | Branch Post Office |
| 177 | Batrauli | Mahindwara BO | 📍 843117 | Runisaidpur | Branch Post Office |
| 178 | Batraulia | Sahbajpur BO | 📍 843327 | Riga | Branch Post Office |
| 179 | Baya | Lahuriya BO | 📍 843324 | Parihar | Branch Post Office |
| 180 | Baya | Phulhatta BO | 📍 843324 | Parihar | Branch Post Office |
| 181 | Bazidpur | Bajitpur BO | 📍 843314 | Bajpatti | Branch Post Office |
| 182 | Bazidpur | Bajpatti SO | 📍 843314 | Bajpatti | Post Office - PO |
| 183 | Bazidpur | Lagma Azamgarh BO | 📍 843323 | Dumra | Branch Post Office |
| 184 | Bazidpur Baura | B.Bajitpur BO | 📍 843320 | Pupri | Branch Post Office |
| 185 | Bazidpur Gorhauli | Banaul BO | 📍 843326 | Bokhara | Branch Post Office |
| 186 | Bazpatti Abidpur | Bajpatti SO | 📍 843314 | Bajpatti | Post Office - PO |
| 187 | Bedaul | Bedaul BO | 📍 843320 | Nanpur | Branch Post Office |
| 188 | Bedoul urf Banauli | Bedaul BO | 📍 843320 | Pupri | Branch Post Office |
| 189 | Bela | Bhutahi SO | 📍 843317 | Sonbarsa | Post Office - PO |
| 190 | Bela | B.Machhpakauni BO | 📍 843324 | Sonbarsa | Branch Post Office |
| 191 | Bela | Araria BO | 📍 843330 | Bathnaha | Branch Post Office |
| 192 | Bela Bahadurpur | Ratwara BO | 📍 843333 | Nanpur | Branch Post Office |
| 193 | Bela Bahadurpur | Bela Shantikutir BO | 📍 843333 | Nanpur | Branch Post Office |
| 194 | Bela Khurd | B.Machhpakauni BO | 📍 843324 | Parihar | Branch Post Office |
| 195 | Bela Musharnia | Andauli BO | 📍 843324 | Parihar | Branch Post Office |
| 196 | Bela urf Khap | B.Machhpakauni BO | 📍 843324 | Parihar | Branch Post Office |
| 197 | Belahi Nil Kanth | Athri SO | 📍 843311 | Runisaidpur | Post Office - PO |
| 198 | Belahi Nil Kanth | Belahi BO | 📍 843311 | Runisaidpur | Branch Post Office |
| 199 | Belahi urf Beli | Prem Nagar Subhai BO | 📍 843323 | Dumra | Branch Post Office |
| 200 | Belahia | Belahiya BO | 📍 843314 | Bajpatti | Branch Post Office |