| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Bhusna | Dholahi Kaithal BO | 📍 841402 | Amnour | Branch Post Office |
| 502 | Bhuwalpur | Bhualpur BO | 📍 841415 | Marhaura | Branch Post Office |
| 503 | Bibipur | Garkha SO | 📍 841311 | Garkha | Post Office - PO |
| 504 | Bichala tola | Basti Jalal BO | 📍 841221 | Dighwara | Branch Post Office |
| 505 | Biche tola | Parsagarh SO | 📍 841220 | Ekma | Post Office - PO |
| 506 | Bichila badhei | Fakuli BO | 📍 841316 | Chapra | Branch Post Office |
| 507 | Bichla Telpa | Purwari Telpa SO | 📍 841302 | Chapra | Post Office - PO |
| 508 | Bichli Badhar | Amar Chapra BO | 📍 841414 | Chapra | Branch Post Office |
| 509 | Bigha | Bigaha BO | 📍 841212 | Manjhi | Branch Post Office |
| 510 | Bijauli | Bellour BO | 📍 841410 | Panapur | Branch Post Office |
| 511 | Bijauli | Dumarshan Bangra SO | 📍 841410 | Panapur | Post Office - PO |
| 512 | Bikrampur | Karanpura BO | 📍 841401 | Marhaura | Branch Post Office |
| 513 | Bikrampur | Marhowrah HO | 📍 841418 | Marhaura | Head Post Office - H |
| 514 | Bin Bahuara | Nagra SO Saran | 📍 841442 | Marhaura | Post Office - PO |
| 515 | Bin Tola Poklara | Tari BO | 📍 841301 | Chapra | Post Office - PO |
| 516 | Bind ganwa | K.P.Rampur BO | 📍 841211 | Chapra | Branch Post Office |
| 517 | Bindra Patak | Baniapur SO | 📍 841403 | Baniapur | Post Office - PO |
| 518 | Bindwasani Nagar | Tari BO | 📍 841301 | Chapra | Post Office - PO |
| 519 | Bintoli | Sabalpur BO | 📍 841101 | Sonepur | Branch Post Office |
| 520 | Bintoli Naroan | Naraon SO | 📍 841216 | Chapra | Post Office - PO |
| 521 | Biram Parsa | Khairwar BO | 📍 841214 | Revelganj | Branch Post Office |
| 522 | Birti | Banpura Bazar BO | 📍 841212 | Ekma | Branch Post Office |
| 523 | Bisahi | Dariapur BO | 📍 841221 | Dariapur | Branch Post Office |
| 524 | Bisamharpur | Sutihar SO | 📍 841222 | Dariapur | Post Office - PO |
| 525 | Bishaki | Masti Chak BO | 📍 841219 | Dariapur | Branch Post Office |
| 526 | Bishamhar Chhapra | Paharpur BO | 📍 841301 | Amnour | Post Office - PO |
| 527 | Bishamhar Chhapra | P.B.Chapra BO | 📍 841401 | Amnour | Branch Post Office |
| 528 | Bishamharpur | Kudarbadha BO | 📍 841202 | Garkha | Branch Post Office |
| 529 | Bishen tola | J.Vishunpura BO | 📍 841211 | Chapra | Branch Post Office |
| 530 | Bishnu tola | Fulwaria Tajpur SO | 📍 841209 | Manjhi | Post Office - PO |
| 531 | Bishun pur | Unehchak BO | 📍 841221 | Dighwara | Branch Post Office |
| 532 | Bishun Pura | Jalalpur Bazar SO | 📍 841412 | Jalalpur | Post Office - PO |
| 533 | Bishun singh ke tola | Parsagarh SO | 📍 841220 | Ekma | Post Office - PO |
| 534 | Bishunpur | Dighwara SO | 📍 841207 | Dighwara | Post Office - PO |
| 535 | Bishunpur | Bhagwanpur BO | 📍 841219 | Parsa | Branch Post Office |
| 536 | Bishunpur | Basantpur Bangla BO | 📍 841401 | Amnour | Branch Post Office |
| 537 | Bishunpur Jagdish | Amnour Harnarain BO | 📍 841401 | Amnour | Branch Post Office |
| 538 | Bishunpur Jagdish | Bhawalpur BO | 📍 841401 | Marhaura | Branch Post Office |
| 539 | Bishunpur Mohan | Aami BO | 📍 841207 | Dighwara | Branch Post Office |
| 540 | Bishunpur Piprahi | Kaituka Nandan BO | 📍 841460 | Maker | Branch Post Office |
| 541 | Bishunpura | J.Vishunpura BO | 📍 841211 | Chapra | Branch Post Office |
| 542 | Bishunpura | Maker SO | 📍 841215 | Maker | Post Office - PO |
| 543 | Bishunpura | Parsa SO | 📍 841219 | Parsa | Post Office - PO |
| 544 | Bishunpura | Aphar SO | 📍 841402 | Amnour | Post Office - PO |
| 545 | Bishunpura | Ishuwapur SO | 📍 841411 | Ishupur | Post Office - PO |
| 546 | Bishunpura | Mangolapur BO | 📍 841412 | Jalalpur | Branch Post Office |
| 547 | Bishunpura | Bahrauli BO | 📍 841417 | Mashrakh | Branch Post Office |
| 548 | Bishunpura | Sherukaha BO | 📍 841417 | Mashrakh | Branch Post Office |
| 549 | Bishunpura | Gaura SO Saran | 📍 841443 | Marhaura | Post Office - PO |
| 550 | Bishunpura Kalan | Bishunpura Kala BO | 📍 841208 | Ekma | Branch Post Office |