| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 301 | Kenari | Salarpur BO | 📍 804429 | Jehanabad | Branch Post Office |
| 302 | Kendua | Pinjore BO | 📍 804417 | Jehanabad | Branch Post Office |
| 303 | Keur | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 304 | Keur | Tajpur BO | 📍 804407 | Hulasganj | Branch Post Office |
| 305 | Kewali | Ghosi SO Jehanabad | 📍 804406 | Ghoshi | Post Office - PO |
| 306 | Kewla | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 307 | Khaira | Jamuk BO | 📍 804429 | Jehanabad | Branch Post Office |
| 308 | Khalispur | Kako SO | 📍 804418 | Kako | Post Office - PO |
| 309 | Khanpur Ikil | Sakurabad SO | 📍 804425 | Makhdumpur | Post Office - PO |
| 310 | Kharauna | Makhdumpur SO | 📍 804422 | Makhdumpur | Post Office - PO |
| 311 | Kharka | Jagpura BO | 📍 804424 | Makhdumpur | Branch Post Office |
| 312 | Kharoj | Kalpa BO | 📍 804417 | Jehanabad | Branch Post Office |
| 313 | Khaskhori | Alahganj BO | 📍 804405 | Makhdumpur | Branch Post Office |
| 314 | Khauna | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 315 | Khidirpura | Surangapur BO | 📍 804429 | Jehanabad | Branch Post Office |
| 316 | Khirauti | Ghosi SO Jehanabad | 📍 804406 | Ghoshi | Post Office - PO |
| 317 | Khojpura | Paibigha SO | 📍 804424 | Makhdumpur | Post Office - PO |
| 318 | Khopura | Ghosi SO Jehanabad | 📍 804406 | Kako | Post Office - PO |
| 319 | Khudaur | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 320 | Kishunpur | Kako SO | 📍 804418 | Kako | Post Office - PO |
| 321 | Kodehra | Saidabad BO | 📍 804417 | Jehanabad | Branch Post Office |
| 322 | Kodihra | Tajpur BO | 📍 804407 | Hulasganj | Branch Post Office |
| 323 | Kohara | Banshi Bigha BO | 📍 804405 | Makhdumpur | Branch Post Office |
| 324 | Koile | Makhdumpur SO | 📍 804422 | Makhdumpur | Post Office - PO |
| 325 | Koiri Bigha | Jehanabad HO | 📍 804408 | Makhdumpur | Head Post Office - H |
| 326 | Kokarsa | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 327 | Korauna | Korauna BO | 📍 804417 | Jehanabad | Branch Post Office |
| 328 | Korman | Korma BO | 📍 804432 | Ghoshi | Branch Post Office |
| 329 | Kosiawan | Barawan BO | 📍 804452 | Kako | Branch Post Office |
| 330 | Kosiawan Milik | Kako SO | 📍 804418 | Kako | Post Office - PO |
| 331 | Kukri Bigha | Hulashganj SO | 📍 804407 | Makhdumpur | Post Office - PO |
| 332 | Kumardih | Saren BO | 📍 804427 | Makhdumpur | Branch Post Office |
| 333 | Kumardiha | Kako SO | 📍 804418 | Kako | Post Office - PO |
| 334 | Kumhwan | Kumbhawan BO | 📍 804417 | Jehanabad | Branch Post Office |
| 335 | Kure | Kurre BO | 📍 804405 | Ghoshi | Branch Post Office |
| 336 | kurma | Korma BO | 📍 804432 | Jehanabad | Branch Post Office |
| 337 | Kurtha | Kurtha SO | 📍 804421 | Makhdumpur | Post Office - PO |
| 338 | Kutmanchak | Jamanganj BO | 📍 804405 | Makhdumpur | Branch Post Office |
| 339 | Ladaua | Makhdumpur SO | 📍 804422 | Makhdumpur | Post Office - PO |
| 340 | Lakhan Samha | Saren BO | 📍 804427 | Makhdumpur | Branch Post Office |
| 341 | Lakhawar | Lakhawar ED SO | 📍 804434 | Ghoshi | Branch Post Office |
| 342 | Lakhisarai | Ghosi SO Jehanabad | 📍 804406 | Ghoshi | Post Office - PO |
| 343 | Lala chak | Bhadsara BO | 📍 804418 | Kako | Branch Post Office |
| 344 | Larsa | Babhana BO | 📍 804417 | Jehanabad | Branch Post Office |
| 345 | Lat | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |
| 346 | Lila Bigha | Tej Bigha BO | 📍 804420 | Kako | Branch Post Office |
| 347 | Lilam | Jehanabad RS SO | 📍 804417 | Jehanabad | Post Office - PO |
| 348 | Lochna chak | Tej Bigha BO | 📍 804420 | Kako | Branch Post Office |
| 349 | Lodipur | Ghosi SO Jehanabad | 📍 804406 | Ghoshi | Post Office - PO |
| 350 | Lodipur | Hulashganj SO | 📍 804407 | Hulasganj | Post Office - PO |