| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 551 | Kaliganj | Amba BO | 📍 815359 | Kundahit | Branch Post Office |
| 552 | Kalihir | Amba BO | 📍 815359 | Nala | Branch Post Office |
| 553 | Kalikasuli | Amba BO | 📍 815359 | Kundahit | Branch Post Office |
| 554 | Kalipahari | Pathrodih BO | 📍 815352 | Narayanpur | Branch Post Office |
| 555 | Kalipahari | Kalipahari BO | 📍 815355 | Nala | Branch Post Office |
| 556 | Kalipahari | Kalidaspur BO | 📍 816107 | Nala | Branch Post Office |
| 557 | Kalipathar | Nachangaria BO | 📍 814146 | Nala | Branch Post Office |
| 558 | Kalipathar | Amba BO | 📍 815359 | Kundahit | Branch Post Office |
| 559 | Kalipur | Pathrodih BO | 📍 815352 | Narayanpur | Branch Post Office |
| 560 | Kalkapur | Amba BO | 📍 815359 | Kundahit | Branch Post Office |
| 561 | Kallathol | Amba BO | 📍 815359 | Nala | Branch Post Office |
| 562 | Kalohar | Sinduri BO | 📍 815352 | Narayanpur | Branch Post Office |
| 563 | Kalojora | Babupur BO | 📍 815359 | Kundahit | Branch Post Office |
| 564 | Kaludi | Nagri BO | 📍 815359 | Kundahit | Branch Post Office |
| 565 | Kamaldih | Sinduri BO | 📍 815352 | Narayanpur | Branch Post Office |
| 566 | Kamalpur | Koiridih BO | 📍 814152 | Narayanpur | Branch Post Office |
| 567 | Kamalya | Babupur BO | 📍 815359 | Kundahit | Branch Post Office |
| 568 | Kamardiha | Sahardal BO | 📍 815354 | Jamtara | Branch Post Office |
| 569 | Kamrajpahari | Sudrakshipur BO | 📍 815359 | Nala | Branch Post Office |
| 570 | Kamubediya | Nachangaria BO | 📍 814146 | Nala | Branch Post Office |
| 571 | Kanadi | Dewalbari BO | 📍 815352 | Narayanpur | Branch Post Office |
| 572 | Kanaipur | Khajuree BO | 📍 815359 | Kundahit | Branch Post Office |
| 573 | Kanakend | Palajuri BO | 📍 815359 | Kundahit | Branch Post Office |
| 574 | Kanchanbera | Bandanbar BO | 📍 814147 | Jamtara | Branch Post Office |
| 575 | Kankrasola | Sudrakshipur BO | 📍 815359 | Kundahit | Branch Post Office |
| 576 | Kansjor | Kelahi BO | 📍 815354 | Jamtara | Branch Post Office |
| 577 | Kapasdanga | Sarasdangal BO | 📍 816103 | Nala | Branch Post Office |
| 578 | Karaiya | Karaiya BO | 📍 815355 | Nala | Branch Post Office |
| 579 | Karangapara | Sudrakshipur BO | 📍 815359 | Kundahit | Branch Post Office |
| 580 | Kareyachak Baghmara | Amba BO | 📍 815359 | Nala | Branch Post Office |
| 581 | Karjuri | Palojori SO | 📍 814146 | Kundahit | Post Office - PO |
| 582 | Karmachak | Karmatar SO | 📍 815352 | Nala | Post Office - PO |
| 583 | Karmai | Chainpur BO | 📍 815352 | Narayanpur | Branch Post Office |
| 584 | Karmatanr | Koiridih BO | 📍 814152 | Narayanpur | Branch Post Office |
| 585 | Karmatanr | Chalna Dhobna BO | 📍 815351 | Jamtara | Branch Post Office |
| 586 | Karmatanr | Karmatar SO | 📍 815352 | Jamtara | Post Office - PO |
| 587 | Karniyabad | Kaladumaria BO | 📍 814120 | Jamtara | Branch Post Office |
| 588 | Karrabad | Amdiha BO | 📍 815352 | Nala | Branch Post Office |
| 589 | Kasaidi | Bagdehri BO | 📍 815359 | Kundahit | Branch Post Office |
| 590 | Kasitanr | Koiridih BO | 📍 814152 | Narayanpur | Branch Post Office |
| 591 | Kasitanr | Kasitar BO | 📍 815351 | Jamtara | Branch Post Office |
| 592 | Kasta | Kakni Pathria BO | 📍 814102 | Nala | Branch Post Office |
| 593 | Katanki | Dakhin Bahal BO | 📍 815351 | Jamtara | Branch Post Office |
| 594 | Katdabar | Narayanpur BO | 📍 815352 | Narayanpur | Branch Post Office |
| 595 | Kathbarari | Ranitanr BO | 📍 815352 | Narayanpur | Branch Post Office |
| 596 | Kathijoria | Satki BO | 📍 815359 | Kundahit | Branch Post Office |
| 597 | Katna | Tilabad BO | 📍 815359 | Kundahit | Branch Post Office |
| 598 | Kebaljoriya | Debjore BO | 📍 815355 | Nala | Branch Post Office |
| 599 | Kelahi | Kelahi BO | 📍 815354 | Jamtara | Branch Post Office |
| 600 | Kenduatanr | Sahapur Beldiha BO | 📍 814155 | Jamtara | Branch Post Office |