| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 251 | Bardaha | Kaladumra BO | 📍 841439 | Goriakothi | Branch Post Office |
| 252 | Bardahan | Bardaha BO | 📍 841245 | Ziradei | Branch Post Office |
| 253 | Bardahan | Narianpur BO | 📍 841245 | Ziradei | Branch Post Office |
| 254 | Bardha | Mustfabad SO | 📍 841439 | Goriakothi | Post Office - PO |
| 255 | Bargaon | Bargaon BO | 📍 841239 | Mairwa | Branch Post Office |
| 256 | Barhampur | Bahadur Bazar BO | 📍 841404 | Goriakothi | Post Office - PO |
| 257 | Barhampur | Saraya Sah Mohamd BO | 📍 841506 | Goriakothi | Branch Post Office |
| 258 | Barhan | Barhan Bazar BO | 📍 841227 | Siwan | Branch Post Office |
| 259 | Barharia | Barhria SO | 📍 841232 | Barharia | Post Office - PO |
| 260 | Barhea | Barheya BO | 📍 841226 | Siwan | Branch Post Office |
| 261 | Barheya | Satation Road SO | 📍 841226 | Ziradei | Post Office - PO |
| 262 | Barheya | Barheya BO | 📍 841226 | Siwan | Branch Post Office |
| 263 | Barheya BO | Barheya BO | 📍 841228 | Siwan | Branch Post Office |
| 264 | Barheya punak | Punak BO | 📍 841239 | Darauli | Branch Post Office |
| 265 | Barhipurgop | Barhipurgop BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 266 | Barhoga Gangaram | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 267 | Barhoga Jaddu | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 268 | Barhoga Jadu | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 269 | Barhoga Khurd | Baijubarhoga BO | 📍 841406 | Basantpur | Branch Post Office |
| 270 | Barhoga Kothi Pachpatiya | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 271 | Barhoga Parsotim | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 272 | Barhulia | Barhulia BO | 📍 841245 | Ziradei | Branch Post Office |
| 273 | Bari tola | Tiyan BO | 📍 841231 | Andar | Branch Post Office |
| 274 | Barisarari | Aranda BO | 📍 841236 | Hasanpura | Branch Post Office |
| 275 | Baritola | Patar BO | 📍 841502 | Andar | Branch Post Office |
| 276 | Bariyarpur | Gambhria BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 277 | Bariyarpur Tola | Gambhria BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 278 | Barka Gaon | Barkagaowan BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 279 | Barka Manjha | Barkamanjha BO | 📍 841243 | Mairwa | Branch Post Office |
| 280 | Barkagaon | Barkagaon BO | 📍 841226 | Pachrukhi | Branch Post Office |
| 281 | Barkagaon | Barkagaowan BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 282 | Barkagaon Takath | Barkagaowan BO | 📍 841408 | Bhagwanpur Hat | Branch Post Office |
| 283 | Barkagaon Tola | Barkagaon BO | 📍 841226 | Pachrukhi | Branch Post Office |
| 284 | Barki Mathia | Tarwaparsa BO | 📍 841240 | Daraundha | Branch Post Office |
| 285 | Baroha | Makariyar BO | 📍 841245 | Ziradei | Branch Post Office |
| 286 | Barpalia | Balua BO | 📍 841435 | Guthani | Branch Post Office |
| 287 | Barsara | Sawana BO | 📍 841438 | Barharia | Branch Post Office |
| 288 | Bartawalia | Itwa Bartwalia BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 289 | Baruna | Ramnagar BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 290 | Barwa Dumri | Marachhi BO | 📍 841434 | Lakri Nabiganj | Branch Post Office |
| 291 | Barwa Kalan | Basantpur SO Siwan | 📍 841406 | Basantpur | Post Office - PO |
| 292 | Barwa Khurd | Basantpur SO Siwan | 📍 841406 | Basantpur | Post Office - PO |
| 293 | Barwan | Asaon SO | 📍 841287 | Andar | Post Office - PO |
| 294 | Baryarpur | Sarauti BO | 📍 841241 | Pachrukhi | Branch Post Office |
| 295 | Baryarpur | Pipra Naryan BO | 📍 841506 | Pachrukhi | Branch Post Office |
| 296 | Basantnagar | Hasanpura SO | 📍 841236 | Hasanpura | Post Office - PO |
| 297 | Basantpur | Chhapmathia BO | 📍 841227 | Siwan | Branch Post Office |
| 298 | Basantpur | Basantpur SO Siwan | 📍 841406 | Basantpur | Post Office - PO |
| 299 | Basantpur | Sani Basantpur BO | 📍 841439 | Goriakothi | Branch Post Office |
| 300 | Basantpur | Ramnagar BO | 📍 841504 | Raghunathpur | Branch Post Office |