| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 1301 | Karpalia | Mustfabad SO | 📍 841439 | Goriakothi | Post Office - PO |
| 1302 | Karpalia | Saidpura BO | 📍 841439 | Goriakothi | Branch Post Office |
| 1303 | Karsar | Karsar BO | 📍 841504 | Raghunathpur | Branch Post Office |
| 1304 | Karsaut | Karsaut BO | 📍 841238 | Daraundha | Branch Post Office |
| 1305 | Kas Deura | Kasdeora Bangra BO | 📍 841238 | Maharajganj | Branch Post Office |
| 1306 | Kashidutta Diyara | Pihuli BO | 📍 841287 | Darauli | Branch Post Office |
| 1307 | Kashila | Kashila BO | 📍 841287 | Andar | Branch Post Office |
| 1308 | Kasihari | Darauli SO | 📍 841234 | Darauli | Post Office - PO |
| 1309 | Kasila pachbenian | Kashila BO | 📍 841287 | Darauli | Branch Post Office |
| 1310 | Kasturba Gandhi Girls Middle School | Zeradei SO | 📍 841245 | Ziradei | Post Office - PO |
| 1311 | Katalpur | Sahatwar BO | 📍 841439 | Goriakothi | Branch Post Office |
| 1312 | Kathtal | Bakhri BO | 📍 841203 | Siswan | Branch Post Office |
| 1313 | Katuli Chapra | Harihans BO | 📍 841286 | Hussainganj | Branch Post Office |
| 1314 | Katwar | Bishunpura BO | 📍 841238 | Daraundha | Branch Post Office |
| 1315 | Katwar | Pachokhar BO | 📍 841245 | Andar | Branch Post Office |
| 1316 | Kauli Chhapra | Kachnar BO | 📍 841210 | Siswan | Branch Post Office |
| 1317 | Kaunsar Diara | Gabhirar SO | 📍 841509 | Raghunathpur | Post Office - PO |
| 1318 | Kauria | Kauria BO | 📍 841406 | Bhagwanpur Hat | Branch Post Office |
| 1319 | Kauriya | Kauria BO | 📍 841406 | Bhagwanpur Hat | Branch Post Office |
| 1320 | Kausar | Gabhirar SO | 📍 841509 | Raghunathpur | Post Office - PO |
| 1321 | Kazi Tola | Rafipur BO | 📍 841286 | Hasanpura | Branch Post Office |
| 1322 | Kazi Tola Tarwara | Tarwara SO | 📍 841506 | Pachrukhi | Post Office - PO |
| 1323 | Kelharua | Chitakhal BO | 📍 841435 | Guthani | Branch Post Office |
| 1324 | Keotalia | Keotalia BO | 📍 841234 | Darauli | Branch Post Office |
| 1325 | Kewtalia | Keotalia BO | 📍 841234 | Darauli | Branch Post Office |
| 1326 | Khagaura | Dhanuti BO | 📍 841226 | Siwan | Branch Post Office |
| 1327 | Khagni | Mustfabad SO | 📍 841439 | Goriakothi | Post Office - PO |
| 1328 | Khaira | Lebhri BO | 📍 841239 | Mairwa | Branch Post Office |
| 1329 | Khairati Dalip | Mathia BO | 📍 841235 | Darauli | Branch Post Office |
| 1330 | Khairati Udho | Mathia BO | 📍 841235 | Darauli | Branch Post Office |
| 1331 | Khajepur | Rampur Ke Tola BO | 📍 841236 | Hasanpura | Branch Post Office |
| 1332 | Khajepur Kalan | Rampur Ke Tola BO | 📍 841236 | Hasanpura | Branch Post Office |
| 1333 | Khajepur Khurd | Rampur Ke Tola BO | 📍 841236 | Hasanpura | Branch Post Office |
| 1334 | Khajrauni | Faridpur BO | 📍 841231 | Hussainganj | Branch Post Office |
| 1335 | Khajuhar | Tarwaparsa BO | 📍 841240 | Daraundha | Branch Post Office |
| 1336 | Khalispur | Khalishpur BO | 📍 841227 | Siwan | Branch Post Office |
| 1337 | Khalwa | Khalwa BO | 📍 841243 | Nautan | Branch Post Office |
| 1338 | Khamhauri | Rajapur BO | 📍 841238 | Maharajganj | Branch Post Office |
| 1339 | Khamhoura | Rajapur BO | 📍 841238 | Daraundha | Branch Post Office |
| 1340 | Khan Tola | Goreakothi SO | 📍 841434 | Goriakothi | Post Office - PO |
| 1341 | Khanpur | Barhria SO | 📍 841232 | Barharia | Post Office - PO |
| 1342 | khanpur | Pipra BO | 📍 841244 | Maharajganj | Branch Post Office |
| 1343 | Khanpur Khairanti | Hussainganj SO | 📍 841237 | Hussainganj | Post Office - PO |
| 1344 | Khap Bankat | Sahpur SO | 📍 841243 | Nautan | Post Office - PO |
| 1345 | Khap Dhanauti | Raghunathpur SO Siwan | 📍 841504 | Raghunathpur | Post Office - PO |
| 1346 | Khap Jataur | Belaur BO | 📍 841239 | Guthani | Branch Post Office |
| 1347 | Khap Lebhri | Lebhri BO | 📍 841239 | Guthani | Branch Post Office |
| 1348 | Khap Misrauli | Sahpur SO | 📍 841243 | Nautan | Post Office - PO |
| 1349 | Khap Misraulia | Chakari BO | 📍 841435 | Guthani | Branch Post Office |
| 1350 | Khap Pataua | Murena BO | 📍 841235 | Darauli | Branch Post Office |