| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 551 | Itwa | Birpur BO | 📍 802165 | Behea | Branch Post Office |
| 552 | Jadopur | Mahuaon BO | 📍 802183 | Behea | Branch Post Office |
| 553 | Jadopur | Pirauta BO | 📍 802312 | Arrah | Branch Post Office |
| 554 | Jagatpur | Prashurampur BO | 📍 802316 | Barhara | Branch Post Office |
| 555 | Jagdeopur | Isharapura BO | 📍 802112 | Shahpur | Branch Post Office |
| 556 | Jagdeopur | Kataria BO | 📍 802202 | Piro | Branch Post Office |
| 557 | Jagdish Chak | Perhap BO | 📍 802208 | Sahar | Branch Post Office |
| 558 | Jagdishpur | Jagdishpur SO Bhojpur | 📍 802158 | Jagdishpur | Post Office - PO |
| 559 | Jagdishpur | Kahathumasurhi BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 560 | Jagdishpur | Chaturbhujibaraon BO | 📍 802159 | Jagdishpur | Branch Post Office |
| 561 | Jagdishpur | Jitaura SO | 📍 802159 | Jagdishpur | Post Office - PO |
| 562 | Jagdishpur Patak | Barauli BO | 📍 802207 | Piro | Branch Post Office |
| 563 | Jahanpur | Jokta BO | 📍 802352 | Koilwar | Branch Post Office |
| 564 | Jairampur | Sonbarsa BO | 📍 802207 | Charpokhari | Branch Post Office |
| 565 | Jaisingh Dih | Chakia BO | 📍 802207 | Piro | Branch Post Office |
| 566 | Jaitpur | Sonpura BO | 📍 802206 | Udwant Nagar | Branch Post Office |
| 567 | Jaitpura | Thakuri BO | 📍 802207 | Charpokhari | Branch Post Office |
| 568 | Jalali Chak | Barahara SO | 📍 802311 | Barhara | Post Office - PO |
| 569 | Jalpura | Jalpura BO | 📍 802352 | Koilwar | Branch Post Office |
| 570 | Jamalpur | Naya Mohamad Pur SO | 📍 802163 | Koilwar | Post Office - PO |
| 571 | Jamaurahi | Jamorhi BO | 📍 802204 | Piro | Branch Post Office |
| 572 | Jamira | Jamira BO | 📍 802161 | Arrah | Branch Post Office |
| 573 | Jamua | Bihia SO | 📍 802152 | Behea | Post Office - PO |
| 574 | Jamuaon | Jamuaon BO | 📍 802159 | Piro | Branch Post Office |
| 575 | Jamuaon | Jamuaon Dihari BO | 📍 802206 | Sandesh | Branch Post Office |
| 576 | Jamui Horil | Manudehari BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 577 | Jamui Khanr | Manudehari BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 578 | Jamunipur | Kataria BO | 📍 802202 | Piro | Branch Post Office |
| 579 | Janaidih | Andhari BO | 📍 802222 | Sahar | Branch Post Office |
| 580 | Janea Dih | Kumhaila BO | 📍 802223 | Charpokhari | Branch Post Office |
| 581 | Janpuria | Kolodihri BO | 📍 802222 | Sahar | Branch Post Office |
| 582 | Jansara | Pandurarampur BO | 📍 802164 | Sandesh | Branch Post Office |
| 583 | Jaugarh | Lachhutola BO | 📍 802351 | Shahpur | Branch Post Office |
| 584 | Jawania Ditto | Damodarpur BO | 📍 802166 | Shahpur | Branch Post Office |
| 585 | Jethwar Bhat | Jethwar Bhatt BO | 📍 802204 | Tarari | Branch Post Office |
| 586 | Jhaua | Benwalia SO | 📍 802351 | Shahpur | Post Office - PO |
| 587 | Jhokipur | Saraiyan BO | 📍 802313 | Barhara | Branch Post Office |
| 588 | Jitaura Jangal Mahal | Lahrabad BO | 📍 802207 | Piro | Branch Post Office |
| 589 | Jogibir | Kamariaon BO | 📍 802183 | Behea | Branch Post Office |
| 590 | Jogta | Jokta BO | 📍 802352 | Koilwar | Branch Post Office |
| 591 | Jokahri | Mahulighat BO | 📍 802316 | Barhara | Branch Post Office |
| 592 | Jot Gobind | Peur BO | 📍 802208 | Sahar | Branch Post Office |
| 593 | Jura | Khajuria BO | 📍 802156 | Arrah | Branch Post Office |
| 594 | Kab Dehra | Deo BO | 📍 802209 | Tarari | Branch Post Office |
| 595 | Kachhuhi | Nagraon BO | 📍 802207 | Piro | Branch Post Office |
| 596 | Kachnath | Pachrukhia Kala BO | 📍 802163 | Piro | Branch Post Office |
| 597 | Kadam Ka Dera Ditto | L.K.Dera BO | 📍 802112 | Shahpur | Branch Post Office |
| 598 | Kaem Nagar | Kayamnagar SO | 📍 802314 | Koilwar | Post Office - PO |
| 599 | Kahen | Kahen BO | 📍 802203 | Jagdishpur | Branch Post Office |
| 600 | Kakila | Kakila BO | 📍 802158 | Jagdishpur | Branch Post Office |