| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 351 | Khaira Khurd | Marchoi BO | 📍 825132 | Satgawan | Branch Post Office |
| 352 | Khaira Pahar Singh | Jogidih BO | 📍 825132 | Satgawan | Branch Post Office |
| 353 | Khairidih | Lokai BO | 📍 825410 | Kodarma | Branch Post Office |
| 354 | Khandharadih | Markacho SO | 📍 825318 | Markacho | Post Office - PO |
| 355 | Khargu | Markacho SO | 📍 825318 | Markacho | Post Office - PO |
| 356 | Khargu | Nawadih BO | 📍 825318 | Markacho | Branch Post Office |
| 357 | Khariodih | Makatpur BO | 📍 825318 | Jainagar | Branch Post Office |
| 358 | Kharkhar | Nawalshahi BO | 📍 825418 | Markacho | Branch Post Office |
| 359 | Kharkhoro | Bekobar BO | 📍 825409 | Kodarma | Branch Post Office |
| 360 | Kharkota | Inderwa BO | 📍 825410 | Kodarma | Branch Post Office |
| 361 | Kharpoka | Makatpur BO | 📍 825318 | Jainagar | Branch Post Office |
| 362 | Khawasdih | Marchoi BO | 📍 825132 | Satgawan | Branch Post Office |
| 363 | Kheraun | Chopnadih BO | 📍 825318 | Markacho | Branch Post Office |
| 364 | Kherobar | Hirodih BO | 📍 825409 | Jainagar | Branch Post Office |
| 365 | Kheskari | Dandadih BO | 📍 825109 | Jainagar | Branch Post Office |
| 366 | Khesmi alias purnanagar | Kheshmi BO | 📍 825418 | Markacho | Branch Post Office |
| 367 | Khiri Kalan | Satgawan SO | 📍 825132 | Satgawan | Post Office - PO |
| 368 | Khiri Khurd | Satgawan SO | 📍 825132 | Satgawan | Post Office - PO |
| 369 | Khuha | Naitand BO | 📍 825109 | Jainagar | Branch Post Office |
| 370 | Khuta | Khuta BO | 📍 825132 | Satgawan | Branch Post Office |
| 371 | Kirtania | Jogidih BO | 📍 825132 | Satgawan | Branch Post Office |
| 372 | Kishunpur | Baheradih BO | 📍 825407 | Kodarma | Branch Post Office |
| 373 | Koabar | Deobour BO | 📍 825410 | Kodarma | Branch Post Office |
| 374 | Kodarma | Jhumri Telaiya SO | 📍 825409 | Kodarma | Post Office - PO |
| 375 | Kodarma | Kodarma SO | 📍 825410 | Kodarma | Post Office - PO |
| 376 | Koderma TPS | Koderma Thermal Power Station SO | 📍 825421 | Kodarma | Post Office - PO |
| 377 | Kokahradhab | Maskedih BO | 📍 825109 | Jainagar | Branch Post Office |
| 378 | Koldiha | Chopnadih BO | 📍 825318 | Markacho | Branch Post Office |
| 379 | Kolgarma | Pathaldiha BO | 📍 825410 | Kodarma | Branch Post Office |
| 380 | Konardam | Konardam SO | 📍 825315 | Kodarma | Post Office - PO |
| 381 | Konradih | Chopnadih BO | 📍 825318 | Markacho | Branch Post Office |
| 382 | Kosdihra | Jamu BO | 📍 825318 | Markacho | Branch Post Office |
| 383 | Kosiari | Jogidih BO | 📍 825132 | Kodarma | Branch Post Office |
| 384 | Koslo | Pasnaur BO | 📍 825132 | Satgawan | Branch Post Office |
| 385 | Kothiar | Nandudih BO | 📍 825132 | Satgawan | Branch Post Office |
| 386 | Kumardih | Murukmanai BO | 📍 825418 | Markacho | Branch Post Office |
| 387 | Kumbh | Chopnadih BO | 📍 825318 | Markacho | Branch Post Office |
| 388 | Kunda | Khuta BO | 📍 825132 | Satgawan | Branch Post Office |
| 389 | Kundai | Lokai BO | 📍 825410 | Kodarma | Branch Post Office |
| 390 | Kundi Dhanwar | Masmohna BO | 📍 825418 | Markacho | Branch Post Office |
| 391 | Kurmidih | Kanko BO | 📍 825409 | Jainagar | Branch Post Office |
| 392 | Kurumdih | Hirodih BO | 📍 825409 | Jainagar | Branch Post Office |
| 393 | Kusahan | Hirodih BO | 📍 825409 | Jainagar | Branch Post Office |
| 394 | Kusahna | Pathaldiha BO | 📍 825410 | Kodarma | Branch Post Office |
| 395 | Kushana | Chopnadih BO | 📍 825318 | Markacho | Branch Post Office |
| 396 | Kuskur | Chalkusa BO | 📍 825109 | Jainagar | Branch Post Office |
| 397 | Kusmadih | Maskedih BO | 📍 825109 | Jainagar | Branch Post Office |
| 398 | Kusmadih | Sudan BO | 📍 825109 | Jainagar | Branch Post Office |
| 399 | Kusumhei | Nawalshahi BO | 📍 825418 | Markacho | Branch Post Office |
| 400 | Labania alias Bela | Markacho SO | 📍 825318 | Markacho | Post Office - PO |