| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 501 | Jamuganin | Ramraichack BO | 📍 805127 | Sirdala | Branch Post Office |
| 502 | Jamui Pakariya | Govindpur SO Nawada | 📍 805102 | Meskaur | Post Office - PO |
| 503 | Janhaul | Lond BO | 📍 805122 | Sirdala | Branch Post Office |
| 504 | Janpura | Sabhari BO | 📍 805123 | Nardiganj | Branch Post Office |
| 505 | Japhra | Dermobara BO | 📍 805104 | Roh | Branch Post Office |
| 506 | Jarahiya | Arha BO | 📍 805124 | Meskaur | Branch Post Office |
| 507 | Jasa Chak | Nurhat SO | 📍 805122 | Narhat | Branch Post Office |
| 508 | Jasat | Dharhara BO | 📍 805101 | Pakribarawan | Branch Post Office |
| 509 | Jasauli | Nemdarganj SO | 📍 805121 | Akbarpur | Post Office - PO |
| 510 | Jatsari | Sughari BO | 📍 805126 | Gobindpur | Branch Post Office |
| 511 | Jhakhor | Dermobara BO | 📍 805104 | Roh | Branch Post Office |
| 512 | Jharayan | Sadipur BO | 📍 805104 | Nawada | Branch Post Office |
| 513 | Jharna | Sirdala SO | 📍 805127 | Sirdala | Post Office - PO |
| 514 | Jhikarua | Hasua SO | 📍 805103 | Narhat | Post Office - PO |
| 515 | Jhikatia | Tarwan SO | 📍 805128 | Meskaur | Post Office - PO |
| 516 | Jhiktaura | Sisma BO | 📍 805111 | Nawada | Branch Post Office |
| 517 | Jhirkhi | Singar BO | 📍 805125 | Rajauli | Branch Post Office |
| 518 | Jhunathi | Asarhi BO | 📍 805111 | Nawada | Branch Post Office |
| 519 | Jiuri | Simariya BO | 📍 805124 | Pakribarawan | Branch Post Office |
| 520 | Job Kalan | Bahadurpur BO | 📍 805125 | Rajauli | Branch Post Office |
| 521 | Jogijot | Rajauli SO | 📍 805125 | Rajauli | Post Office - PO |
| 522 | Jogna | Phuldih BO | 📍 805106 | Kawakol | Branch Post Office |
| 523 | Jogna Tilha | Bahadurpur BO | 📍 805125 | Rajauli | Branch Post Office |
| 524 | Jogni | Chamotha BO | 📍 805125 | Rajauli | Branch Post Office |
| 525 | Jogni Kanak Jot | Chamotha BO | 📍 805125 | Rajauli | Branch Post Office |
| 526 | Jogya Maran | Rajauli SO | 📍 805125 | Rajauli | Post Office - PO |
| 527 | Jorasimar | Singar BO | 📍 805125 | Rajauli | Branch Post Office |
| 528 | Kabirpur | Asarhi BO | 📍 805111 | Nawada | Branch Post Office |
| 529 | Kachna | Pakaribarwan SO | 📍 805124 | Pakribarawan | Post Office - PO |
| 530 | Kadahar | Kadhar BO | 📍 805106 | Kawakol | Branch Post Office |
| 531 | Kadwara | G B Kendua Konihar BO | 📍 805122 | Sirdala | Branch Post Office |
| 532 | Kahuara | Kahuara BO | 📍 805109 | Nardiganj | Branch Post Office |
| 533 | Kairikhap | Bansgopal BO | 📍 805125 | Rajauli | Branch Post Office |
| 534 | Kaithir | Dona BO | 📍 805103 | Hisua | Branch Post Office |
| 535 | Kajhia | Mheshdih BO | 📍 805121 | Akbarpur | Branch Post Office |
| 536 | kajoor | Kajoor BO | 📍 805131 | Nawada | Branch Post Office |
| 537 | Kalaunda | Nemdarganj SO | 📍 805121 | Akbarpur | Post Office - PO |
| 538 | Kalaundi | Nemdarganj SO | 📍 805121 | Akbarpur | Post Office - PO |
| 539 | Kamalpur | Govindpur SO Nawada | 📍 805102 | Gobindpur | Post Office - PO |
| 540 | Kamra Usman | Rajauli SO | 📍 805125 | Rajauli | Post Office - PO |
| 541 | Kandha | Kochagoan BO | 📍 805130 | Warisaliganj | Branch Post Office |
| 542 | Kannauj | Rajhat SO | 📍 805126 | Akbarpur | Post Office - PO |
| 543 | Kapsandi | Datraul BO | 📍 805124 | Pakribarawan | Branch Post Office |
| 544 | Karahra | Sughari BO | 📍 805126 | Gobindpur | Branch Post Office |
| 545 | Karahri | Sughari BO | 📍 805126 | Gobindpur | Branch Post Office |
| 546 | Karam | Kuhila BO | 📍 805126 | Akbarpur | Branch Post Office |
| 547 | Karamchak | Hasua SO | 📍 805103 | Hisua | Post Office - PO |
| 548 | Karanpur | Dhamul SO | 📍 805101 | Rajauli | Post Office - PO |
| 549 | Karanpur | Rupau BO | 📍 805107 | Roh | Branch Post Office |
| 550 | Karanpur | Nemdarganj SO | 📍 805121 | Akbarpur | Post Office - PO |