| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | Bherharia | Mahabalipur BO | 📍 801110 | Paliganj | Branch Post Office |
| 302 | Bhikho Chak | Belchi BO | 📍 803110 | Belchhi | Branch Post Office |
| 303 | Bhikhua | Dumari BO | 📍 803201 | Fatwah | Branch Post Office |
| 304 | Bhimni Chak | Aikhan BO | 📍 801102 | Dulhin Bazar | Branch Post Office |
| 305 | Bhimpura | Ghorahua BO | 📍 804452 | Masaurhi | Branch Post Office |
| 306 | Bhogipur | Mittan Chak BO | 📍 804453 | Sampatchak | Branch Post Office |
| 307 | Bhroshi Ray K Tola | Ramnagar Karai Kachhar BO | 📍 803211 | Athmalgola | Branch Post Office |
| 308 | Bhuapur | Bhuapur BO | 📍 803211 | Pandarak | Branch Post Office |
| 309 | Bhujaur | Daulatpur BO | 📍 804452 | Masaurhi | Branch Post Office |
| 310 | Bhusaula Danapur | Mubarakpur BO | 📍 801505 | Phulwari | Branch Post Office |
| 311 | Bibipur | Sarsi BO | 📍 801110 | Paliganj | Branch Post Office |
| 312 | Bibipur | Masarhi BO | 📍 803201 | Fatwah | Branch Post Office |
| 313 | Bichhedi | Arap BO | 📍 801104 | Naubatpur | Branch Post Office |
| 314 | Bighapar Tola | Dakshnichak BO | 📍 803211 | Athmalgola | Branch Post Office |
| 315 | Bihar Celindar | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 316 | Bihari Bigha | Bhagwatpur Karmaur BO | 📍 803214 | Pandarak | Branch Post Office |
| 317 | Bihari Bigha | Bihari Bigha BO | 📍 803214 | Pandarak | Branch Post Office |
| 318 | Bihta | Bihta SO Patna | 📍 801103 | Bihta | Post Office - PO |
| 319 | Bihta | Amhara BO | 📍 801103 | Bihta | Branch Post Office |
| 320 | Bihta | Kanchanpur BO | 📍 801103 | Bihta | Branch Post Office |
| 321 | Bihta | A. H. Guard BO | 📍 801103 | Bihta | Post Office - PO |
| 322 | Bihta | D.Simri BO | 📍 801103 | Bihta | Post Office - PO |
| 323 | Bihta | Bedauli BO | 📍 804452 | Masaurhi | Branch Post Office |
| 324 | Bijaigarh | Malpur BO | 📍 803301 | Mokameh | Branch Post Office |
| 325 | Bijaigarh | Maranchi BO | 📍 803301 | Mokameh | Branch Post Office |
| 326 | Bijaura | Bara BO | 📍 804454 | Masaurhi | Branch Post Office |
| 327 | Bijpura | Vijaypura BO | 📍 804451 | Dhanarua | Branch Post Office |
| 328 | Bijruk | Sabnima Khurd BO | 📍 803212 | Bakhtiarpur | Branch Post Office |
| 329 | Bikram | Bikram S.O | 📍 801104 | Bikram | Post Office - PO |
| 330 | Bikram | Datiana BO | 📍 801104 | Bikram | Branch Post Office |
| 331 | Bikrampur | Garhochak BO | 📍 803201 | Fatwah | Branch Post Office |
| 332 | Bikrampur Aima | Garhochak BO | 📍 803201 | Fatwah | Branch Post Office |
| 333 | Bikrampur Zabti | Garhochak BO | 📍 803201 | Fatwah | Branch Post Office |
| 334 | Bilap | Kunjwan BO | 📍 801103 | Bihta | Branch Post Office |
| 335 | Bilaunti | Charma BO | 📍 804452 | Masaurhi | Branch Post Office |
| 336 | Binaika | K.Netaual BO | 📍 804452 | Dhanarua | Branch Post Office |
| 337 | Binaikapali | Panditganj BO | 📍 804451 | Dhanarua | Branch Post Office |
| 338 | Bind Tola | Ramnagar Diara BO | 📍 803212 | Athmalgola | Branch Post Office |
| 339 | Bind Toli Dih | Raily BO | 📍 803221 | Pandarak | Branch Post Office |
| 340 | Bindaul | Bindaul BO | 📍 801112 | Bihta | Branch Post Office |
| 341 | Bir | Bir BO | 📍 804451 | Dhanarua | Branch Post Office |
| 342 | Birbhan chak | Madhopur BO | 📍 801108 | Dinapur-Cum-Khagaul | Branch Post Office |
| 343 | Birdhaur | Lai S.O | 📍 801112 | Bikram | Post Office - PO |
| 344 | Birhana | Berhana BO | 📍 803213 | Barh | Branch Post Office |
| 345 | Birpur | Nagwan BO | 📍 801109 | Naubatpur | Branch Post Office |
| 346 | Birra | Berra BO | 📍 804454 | Masaurhi | Branch Post Office |
| 347 | Bisarpur | Dhobiakalanpur BO | 📍 801111 | Naubatpur | Branch Post Office |
| 348 | Biscoman Bhawan | Mokama SO | 📍 803302 | Mokameh | Post Office - PO |
| 349 | Bishambharpur | Bihta SO Patna | 📍 801103 | Bihta | Post Office - PO |
| 350 | Bishkurwa | Masathu BO | 📍 803213 | Barh | Branch Post Office |