| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 401 | Kathwari | Pindrajora BO | 📍 827013 | Chas | Branch Post Office |
| 402 | Katwari | Ulgada BO | 📍 829123 | Gumia | Branch Post Office |
| 403 | Kausi | Potso BO | 📍 829144 | Nawadih | Branch Post Office |
| 404 | Kelyadabar | Pindrajora BO | 📍 827013 | Chas | Branch Post Office |
| 405 | Kelyadag | Kanak Chas BO | 📍 828134 | Chandankiyari | Branch Post Office |
| 406 | Kendadi | Pindrajora BO | 📍 827013 | Chas | Branch Post Office |
| 407 | Kendulia | Chandan Kiyari SO | 📍 828134 | Chandankiyari | Post Office - PO |
| 408 | Keri | Hazari BO | 📍 829128 | Gumia | Branch Post Office |
| 409 | Kesgara | Surhi BO | 📍 829144 | Nawadih | Branch Post Office |
| 410 | Keshridi | Kashi Jharia BO | 📍 827013 | Chas | Branch Post Office |
| 411 | Keswari | Arjuwa BO | 📍 829121 | Peterbar | Branch Post Office |
| 412 | Khaira Chatar | Khaira Chatar BO | 📍 827302 | Kasmar | Branch Post Office |
| 413 | Khaiyo Khar | Surhi BO | 📍 829144 | Nawadih | Branch Post Office |
| 414 | Khakhanda | Hazari BO | 📍 829128 | Gumia | Branch Post Office |
| 415 | Khalcho | Telo BO | 📍 828403 | Nawadih | Branch Post Office |
| 416 | Khamarbendi | Khamarbendi BO | 📍 827013 | Chas | Branch Post Office |
| 417 | Kharki | Kharki BO | 📍 829112 | Gumia | Branch Post Office |
| 418 | Kharna | Hazari BO | 📍 829128 | Gumia | Branch Post Office |
| 419 | Kharpito | Phusro Bazar SO | 📍 829144 | Nawadih | Post Office - PO |
| 420 | Kharwatanr | Hazari BO | 📍 829128 | Gumia | Branch Post Office |
| 421 | Khedadi | Ghagri BO | 📍 828134 | Chandankiyari | Branch Post Office |
| 422 | Kherabera | Murradih BO | 📍 826004 | Chandankiyari | Branch Post Office |
| 423 | Kherho | Peterbar SO | 📍 829121 | Peterbar | Post Office - PO |
| 424 | Khetko | Khetko BO | 📍 829113 | Peterbar | Branch Post Office |
| 425 | Khirabera | Kurra BO | 📍 827013 | Chas | Branch Post Office |
| 426 | Khirabera | Swang Colliery SO | 📍 829128 | Gumia | Post Office - PO |
| 427 | Khokhando | Saram BO | 📍 829111 | Gumia | Branch Post Office |
| 428 | Khudibera | Karma BO | 📍 827302 | Kasmar | Branch Post Office |
| 429 | Khunta | Pichari BO | 📍 829144 | Nawadih | Branch Post Office |
| 430 | Khuntadi | Sector - III SO | 📍 827003 | Chas | Post Office - PO |
| 431 | Khurd Chando | Chandipur BO | 📍 829121 | Peterbar | Branch Post Office |
| 432 | Khuta | Karma BO | 📍 827302 | Kasmar | Branch Post Office |
| 433 | Khutri | Jaina SO | 📍 829301 | Jaridih | Post Office - PO |
| 434 | Kimbu Jharia | Phusro Bazar SO | 📍 829144 | Nawadih | Post Office - PO |
| 435 | Kodwatanralias Bhitugarha | Penk BO | 📍 829112 | Gumia | Branch Post Office |
| 436 | Koh | Chandipur BO | 📍 829121 | Peterbar | Branch Post Office |
| 437 | Koklodih | Phusro Bazar SO | 📍 829144 | Nawadih | Post Office - PO |
| 438 | Kolbendi | Garga Check Post SO | 📍 827013 | Chas | Post Office - PO |
| 439 | Korarma | Chandipur BO | 📍 829121 | Peterbar | Branch Post Office |
| 440 | Kothi | Phusro Bazar SO | 📍 829144 | Nawadih | Post Office - PO |
| 441 | Kotogara | Hissim BO | 📍 827302 | Kasmar | Branch Post Office |
| 442 | Kujubera | Surhi BO | 📍 829144 | Nawadih | Branch Post Office |
| 443 | Kulshara | Jhalbarda BO | 📍 828134 | Chandankiyari | Branch Post Office |
| 444 | Kumardaga | Adrakuri BO | 📍 827013 | Chas | Branch Post Office |
| 445 | Kumirdoba | Kumirdoba BO | 📍 828134 | Chandankiyari | Branch Post Office |
| 446 | Kumri | Pupunkee Ashram BO | 📍 827013 | Chas | Branch Post Office |
| 447 | Kunarpur | Domgarh SO | 📍 828107 | Chas | Post Office - PO |
| 448 | Kunda | Dania BO | 📍 829112 | Gumia | Branch Post Office |
| 449 | Kura alias Kuradi | Kurra BO | 📍 827013 | Chas | Branch Post Office |
| 450 | Kurarya alias Babugram | Chandan Kiyari SO | 📍 828134 | Chandankiyari | Post Office - PO |