| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Hirammi | Rahmandih BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 502 | Ijrar | Belsira BO | 📍 813101 | Phulidumar | Branch Post Office |
| 503 | Ikoria | Maheshadih BO | 📍 813102 | Banka | Head Post Office - H |
| 504 | Imamnagar | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 505 | Islampur | Gopalpur BO | 📍 813107 | Rajaun | Branch Post Office |
| 506 | Itahri | Maniyarpur BO | 📍 813104 | Bausi | Branch Post Office |
| 507 | Itahri | Shreepathar BO | 📍 813109 | Dhuraiya | Branch Post Office |
| 508 | Itwa | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 509 | Jadulkhair | Baidachak BO | 📍 813101 | Amarpur | Branch Post Office |
| 510 | Jagankita | Jagatpur BO | 📍 813103 | Dhuraiya | Branch Post Office |
| 511 | Jagarnathpur | Rajwara BO | 📍 813101 | Rajaun | Branch Post Office |
| 512 | Jagarnathpur | Rajoun SO | 📍 813107 | Rajaun | Post Office - PO |
| 513 | Jagarnathpur | Manjhoui BO | 📍 813109 | Rajaun | Branch Post Office |
| 514 | Jagatpur | Belsira BO | 📍 813101 | Phulidumar | Branch Post Office |
| 515 | Jagatpur | Jagatpur BO | 📍 813103 | Dhuraiya | Branch Post Office |
| 516 | Jagdishpur | Punsia SO | 📍 813109 | Rajaun | Post Office - PO |
| 517 | Jagna | Khesar SO | 📍 813207 | Phulidumar | Post Office - PO |
| 518 | Jagtapur | Mahisota BO | 📍 813211 | Shambhuganj | Branch Post Office |
| 519 | Jaipur | Rahmandih BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 520 | Jaitpur | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 521 | Jaitpur Milik | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 522 | Jakha | Jotha BO | 📍 813109 | Dhuraiya | Branch Post Office |
| 523 | Jala | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 524 | Jalmarai | Domohan BO | 📍 813102 | Banka | Head Post Office - H |
| 525 | Jamaia Chak | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 526 | Jamhra | Dudhari BO | 📍 813102 | Banka | Head Post Office - H |
| 527 | Jamua | Rauja BO | 📍 813207 | Belhar | Branch Post Office |
| 528 | Jamuni | Chathar Dhaniar BO | 📍 813221 | Shambhuganj | Branch Post Office |
| 529 | Jamuni | Jokta Fatehpur BO | 📍 814131 | Chanan | Branch Post Office |
| 530 | Jamunia | Supha BO | 📍 813106 | Chanan | Branch Post Office |
| 531 | Jangal | Shambhuganj SO | 📍 813211 | Shambhuganj | Post Office - PO |
| 532 | Janmahammadi | Gopalpur BO | 📍 813107 | Rajaun | Branch Post Office |
| 533 | Janukita | Panjwara SO | 📍 813110 | Barahat | Post Office - PO |
| 534 | Jarifa Chak | Rajoun SO | 📍 813107 | Rajaun | Post Office - PO |
| 535 | Jasmatpur | Sathiari BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 536 | Jasopathra | Barahat SO | 📍 813103 | Barahat | Post Office - PO |
| 537 | Jauad Chak | Sanjh BO | 📍 813105 | Rajaun | Branch Post Office |
| 538 | Jhajha | Maikaita BO | 📍 813105 | Dhuraiya | Branch Post Office |
| 539 | Jhajha | Chandan SO | 📍 814131 | Chanan | Post Office - PO |
| 540 | Jhakhra | Palaria BO | 📍 813211 | Shambhuganj | Branch Post Office |
| 541 | Jhanga Chak | Maikaita BO | 📍 813105 | Dhuraiya | Branch Post Office |
| 542 | Jhikta | Gopalpur BO | 📍 813107 | Rajaun | Branch Post Office |
| 543 | Jhiktia | Pasmanandpur BO | 📍 813207 | Shambhuganj | Branch Post Office |
| 544 | Jhikulia | Belhar SO | 📍 813202 | Belhar | Post Office - PO |
| 545 | Jhulkhuria | Rajoun SO | 📍 813107 | Rajaun | Post Office - PO |
| 546 | Jitai | Baliskadma BO | 📍 813205 | Dhuraiya | Branch Post Office |
| 547 | Jitwarpur | Maheshadih BO | 📍 813102 | Banka | Head Post Office - H |
| 548 | Jitwarpur Arazi | Maheshadih BO | 📍 813102 | Banka | Head Post Office - H |
| 549 | Jobra | Rajwara BO | 📍 813101 | Rajaun | Branch Post Office |
| 550 | Jogdiha | Jajdiha BO | 📍 813102 | Bausi | Head Post Office - H |