| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 151 | Karulai | Pallikuth BO | 📍 679334 | Nilambur | Branch Post Office |
| 152 | Karuvarakundu | Iringattiri BO | 📍 676523 | Nilambur | Branch Post Office |
| 153 | Karuvarakundu | Kalkundu BO | 📍 676523 | Nilambur | Branch Post Office |
| 154 | Karuvarakundu | Karuvarakundu SO | 📍 676523 | Nilambur | Post Office - PO |
| 155 | Karuvarakundu | Kuttathy BO | 📍 676523 | Nilambur | Branch Post Office |
| 156 | Karuvarakundu | Pulvetta BO | 📍 676523 | Nilambur | Branch Post Office |
| 157 | Karuvarakundu | Tharis BO | 📍 676523 | Nilambur | Branch Post Office |
| 158 | Kattipparuthi | Tolavanur BO | 📍 676552 | Tirur | Branch Post Office |
| 159 | Kattipparuthi | Valancheri SO | 📍 676552 | Tirur | Post Office - PO |
| 160 | Kattipparuthi | Karthala BO | 📍 679571 | Tirur | Branch Post Office |
| 161 | Kavanoor | Iruvetti BO | 📍 673639 | Ernad | Branch Post Office |
| 162 | Kavanoor | Kavanur BO | 📍 673639 | Ernad | Branch Post Office |
| 163 | Kavanoor | Thottilangadi BO | 📍 673639 | Ernad | Branch Post Office |
| 164 | Kavanoor | Edavanna SO | 📍 676541 | Ernad | Post Office - PO |
| 165 | Keezhattur | Kizhattur BO | 📍 679325 | Perinthalmanna | Branch Post Office |
| 166 | Keezhattur | Poonthavanam BO | 📍 679325 | Perinthalmanna | Branch Post Office |
| 167 | Keezhattur | Vengoor BO | 📍 679325 | Perinthalmanna | Branch Post Office |
| 168 | Kerala Estate | Kalkundu BO | 📍 676523 | Nilambur | Branch Post Office |
| 169 | Kerala Estate | Tharis BO | 📍 676523 | Nilambur | Branch Post Office |
| 170 | Kerala Estate | Kerala Estate BO | 📍 676525 | Nilambur | Branch Post Office |
| 171 | Kizhuparamba | Kizhuparamba BO | 📍 673639 | Ernad | Branch Post Office |
| 172 | Kizhuparamba | Valillapuzha BO | 📍 673639 | Ernad | Branch Post Office |
| 173 | Kodur | Chattipparamba BO | 📍 676504 | Perinthalmanna | Branch Post Office |
| 174 | Kodur | Kodur-malabar SO | 📍 676504 | Perinthalmanna | Branch Post Office |
| 175 | Kondotty | Arimbra BO | 📍 673638 | Ernad | Branch Post Office |
| 176 | Kondotty | Kondotti SO | 📍 673638 | Ernad | Post Office - PO |
| 177 | Kondotty | Melangadi BO | 📍 673638 | Ernad | Branch Post Office |
| 178 | Kondotty | Thurakkal BO | 📍 673638 | Ernad | Branch Post Office |
| 179 | koottil | Koottil BO | 📍 679324 | Perinthalmanna | Branch Post Office |
| 180 | Koottilangadi | Kottilangadi SO | 📍 676506 | Perinthalmanna | Post Office - PO |
| 181 | Koottilangadi | Padinhattumuri BO | 📍 676506 | Perinthalmanna | Branch Post Office |
| 182 | Koottilangadi | Pazhamallur BO | 📍 676506 | Perinthalmanna | Branch Post Office |
| 183 | Koottilangadi | Perinthattiri BO | 📍 676507 | Perinthalmanna | Branch Post Office |
| 184 | Koottilangadi | Mankada Pallippuram BO | 📍 679324 | Perinthalmanna | Branch Post Office |
| 185 | Koottilangadi | Vallikkapatta BO | 📍 679324 | Perinthalmanna | Branch Post Office |
| 186 | Kottakkal | Indianur BO | 📍 676503 | Tirur | Branch Post Office |
| 187 | Kottakkal | Kottakkal SO | 📍 676503 | Tirur | Post Office - PO |
| 188 | Kottakkal | Pandamangalam BO | 📍 676503 | Tirur | Branch Post Office |
| 189 | Kottakkal | Kuttippuram-kottakkal BO | 📍 676503 | Tirur | Branch Post Office |
| 190 | kunnapally | Kunnappally BO | 📍 679322 | Perinthalmanna | Branch Post Office |
| 191 | Kurumbathur | Kurumbathur BO | 📍 676301 | Tirur | Branch Post Office |
| 192 | Kurumbathur | Tirunavaya SO | 📍 676301 | Tirur | Post Office - PO |
| 193 | Kurumbathur | Punnathala BO | 📍 676552 | Tirur | Branch Post Office |
| 194 | Kurumbathur | Valancheri SO | 📍 676552 | Tirur | Post Office - PO |
| 195 | Kurumbilangode | Bhoodan Colony BO | 📍 679334 | Nilambur | Branch Post Office |
| 196 | Kurumbilangode | Erumamunda BO | 📍 679334 | Nilambur | Branch Post Office |
| 197 | Kurumbilangode | Kurumbalangode BO | 📍 679334 | Nilambur | Branch Post Office |
| 198 | Kurumbilangode | Pathar BO | 📍 679334 | Nilambur | Branch Post Office |
| 199 | Kuruva | Vattalur BO | 📍 676507 | Perinthalmanna | Branch Post Office |
| 200 | Kuruva | Panga BO | 📍 679338 | Perinthalmanna | Branch Post Office |