| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 201 | Jonha | Karpi SO | 📍 804419 | Karpi | Post Office - PO |
| 202 | Kakhaura | Kerki BO | 📍 824118 | Ratni Faridpur | Branch Post Office |
| 203 | Kalandara | Injore BO | 📍 804428 | Kaler | Branch Post Office |
| 204 | Kaler | Usari SO | 📍 804428 | Kaler | Post Office - PO |
| 205 | Kaler S O | Kaler SO | 📍 824127 | Kaler | Post Office - PO |
| 206 | Kamta | Kamta BO | 📍 804428 | Kaler | Branch Post Office |
| 207 | Kanaia Chak | Nagla Kinger SO | 📍 804423 | Karpi | Post Office - PO |
| 208 | Kansua | Ratni Bazar BO | 📍 804421 | Ratni Faridpur | Branch Post Office |
| 209 | Kansupur | Hasanpur BO | 📍 804402 | Arwal | Branch Post Office |
| 210 | Karehri | Karhari BO | 📍 804423 | Karpi | Branch Post Office |
| 211 | Karhara | Tej Bigha BO | 📍 804420 | Modanganj | Branch Post Office |
| 212 | Karpi | Karpi SO | 📍 804419 | Karpi | Post Office - PO |
| 213 | Karwa Balram | Karpi SO | 📍 804419 | Sonbhadra Banshi Suryapur | Post Office - PO |
| 214 | Karwahankar | Bajitpur BO | 📍 804426 | Karpi | Branch Post Office |
| 215 | Kasauti | Bambhai BO | 📍 804428 | Karpi | Branch Post Office |
| 216 | Kaswan | Koshma BO | 📍 804429 | Ratni Faridpur | Branch Post Office |
| 217 | Katesar | Anandpur BO | 📍 804419 | Karpi | Branch Post Office |
| 218 | Kathautiya Arazi | Nagma Erazi BO | 📍 804420 | Modanganj | Branch Post Office |
| 219 | Kathrain | Baidrabad SO | 📍 804402 | Kaler | Post Office - PO |
| 220 | Kauria | Tej Bigha BO | 📍 804420 | Modanganj | Branch Post Office |
| 221 | Keal | Keyal BO | 📍 804419 | Karpi | Branch Post Office |
| 222 | Khaira | Ibrahimpur BO | 📍 804423 | Kurtha | Branch Post Office |
| 223 | Khaira | Nagla Kinger SO | 📍 804423 | Kurtha | Post Office - PO |
| 224 | Khaira | Usari SO | 📍 804428 | Kaler | Post Office - PO |
| 225 | Khairu Chak | Sohariya BO | 📍 804423 | Ratni Faridpur | Branch Post Office |
| 226 | Khajuri | Khajuri BO | 📍 804419 | Karpi | Branch Post Office |
| 227 | Khalslpura | Karpi SO | 📍 804419 | Karpi | Post Office - PO |
| 228 | Khamhaini | Khabhaini BO | 📍 804402 | Arwal | Branch Post Office |
| 229 | Khankulipur | Arwal SO | 📍 804401 | Arwal | Post Office - PO |
| 230 | Kharasin | Karpi SO | 📍 804419 | Sonbhadra Banshi Suryapur | Post Office - PO |
| 231 | Kharsa | Masadpur BO | 📍 804428 | Kaler | Branch Post Office |
| 232 | Khatangi | Manjhiyawan BO | 📍 824118 | Sonbhadra Banshi Suryapur | Branch Post Office |
| 233 | Khemkaran Saray | Kurtha SO | 📍 804421 | Kurtha | Post Office - PO |
| 234 | Khojan | Karhari BO | 📍 804423 | Karpi | Branch Post Office |
| 235 | Khushdihra | Niranjanpur BO | 📍 804428 | Kaler | Branch Post Office |
| 236 | Kimdar Chak | Manikpur BO | 📍 804421 | Kurtha | Branch Post Office |
| 237 | Kindui | Apgila BO | 📍 804423 | Ratni Faridpur | Branch Post Office |
| 238 | Kinjar | Nagla Kinger SO | 📍 804423 | Karpi | Post Office - PO |
| 239 | Kishrampur | Julfipur Modanganj BO | 📍 804432 | Modanganj | Branch Post Office |
| 240 | Kita Bis | Sakurabad SO | 📍 804425 | Ratni Faridpur | Post Office - PO |
| 241 | Kochahsa | Kochhasa BO | 📍 804426 | Karpi | Branch Post Office |
| 242 | Kod marai | Pinjarawan BO | 📍 804423 | Kurtha | Branch Post Office |
| 243 | Kohraul | Bajitpur BO | 📍 804426 | Karpi | Branch Post Office |
| 244 | Koil Bhupat | Koel Bhupat BO | 📍 804428 | Arwal | Branch Post Office |
| 245 | Koilbhupat | K.Bhupat SO | 📍 804430 | Kaler | Post Office - PO |
| 246 | Koni | Sonbhadra BO | 📍 804419 | Sonbhadra Banshi Suryapur | Branch Post Office |
| 247 | Koni | Jaipur BO | 📍 804428 | Kaler | Branch Post Office |
| 248 | Koni | Sanda BO | 📍 824235 | Kurtha | Branch Post Office |
| 249 | Konika | Sakarichowki BO | 📍 804401 | Arwal | Branch Post Office |
| 250 | Koriam | Bara Koriun BO | 📍 804401 | Arwal | Branch Post Office |