| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 101 | Kadampanadu | Kadambanad South SO | 📍 691553 | Adoor | Post Office - PO |
| 102 | Kadapra | Valanjavattom East BO | 📍 689104 | Thiruvalla | Branch Post Office |
| 103 | Kadapra | Valanjavattom SO | 📍 689104 | Thiruvalla | Post Office - PO |
| 104 | Kadapra | Kadapra Mannar BO | 📍 689621 | Thiruvalla | Branch Post Office |
| 105 | Kadapra | Vdakkumbhagom BO | 📍 689621 | Thiruvalla | Branch Post Office |
| 106 | Kadapra | Parumala SO | 📍 689626 | Thiruvalla | Post Office - PO |
| 107 | Kalanjoor | Kalanjoor SO | 📍 689694 | Adoor | Post Office - PO |
| 108 | Kalanjoor | Mancode BO | 📍 689694 | Adoor | Branch Post Office |
| 109 | Kallooppara | Madathumbhagom North BO | 📍 689543 | Mallappally | Branch Post Office |
| 110 | Kallooppara | Puramattom SO | 📍 689543 | Mallappally | Post Office - PO |
| 111 | Kallooppara | Kunnamthanam SO | 📍 689581 | Mallappally | Post Office - PO |
| 112 | Kallooppara | Kadamankulam BO | 📍 689583 | Mallappally | Branch Post Office |
| 113 | Kallooppara | Kallooppara SO | 📍 689583 | Mallappally | Post Office - PO |
| 114 | Kallooppara | Chengaroor SO | 📍 689594 | Mallappally | Post Office - PO |
| 115 | Kallooppara | Thuruthicaud SO | 📍 689597 | Mallappally | Post Office - PO |
| 116 | Kallooppara | Puthusserry South SO | 📍 689602 | Mallappally | Post Office - PO |
| 117 | Kaviyoor | Thottabhagom BO | 📍 689541 | Thiruvalla | Branch Post Office |
| 118 | Kaviyoor | Mundiappally BO | 📍 689581 | Thiruvalla | Branch Post Office |
| 119 | Kaviyoor | Anjilithanam BO | 📍 689582 | Thiruvalla | Branch Post Office |
| 120 | Kaviyoor | Kottoor BO | 📍 689582 | Thiruvalla | Branch Post Office |
| 121 | Kavumbhagom Part | Kavumbhagom SO | 📍 689102 | Thiruvalla | Post Office - PO |
| 122 | Kavumbhagom Part | Perumthuruthy BO | 📍 689107 | Thiruvalla | Branch Post Office |
| 123 | Kavumbhagom Part | Podiyadi SO | 📍 689110 | Thiruvalla | Post Office - PO |
| 124 | Kavumbhagom Part | Alumthuruthy BO | 📍 689113 | Thiruvalla | Branch Post Office |
| 125 | Kavumbhagom Part | Azhiyadathuchira SO | 📍 689113 | Thiruvalla | Post Office - PO |
| 126 | Kidangannur | Neervilakom BO | 📍 689122 | Kozhenchery | Branch Post Office |
| 127 | Kidangannur | Kidangannur SO | 📍 689514 | Kozhenchery | Post Office - PO |
| 128 | Kidangannur | Kurichimuttom BO | 📍 689532 | Kozhenchery | Branch Post Office |
| 129 | Kidangannur | Nalkallikkal BO | 📍 689533 | Kozhenchery | Branch Post Office |
| 130 | Kodumon | Edathitta BO | 📍 691555 | Adoor | Branch Post Office |
| 131 | Kodumon | Kodumon East BO | 📍 691555 | Adoor | Branch Post Office |
| 132 | Kodumon | Kodumon SO | 📍 691555 | Adoor | Post Office - PO |
| 133 | Koipuram | Koipuram SO | 📍 689531 | Thiruvalla | Post Office - PO |
| 134 | Koipuram | Poovathoor BO | 📍 689531 | Thiruvalla | Branch Post Office |
| 135 | Koipuram | Eraviperoor SO | 📍 689542 | Thiruvalla | Post Office - PO |
| 136 | KOIPURAM | Puramattom SO | 📍 689543 | Mallappally | Post Office - PO |
| 137 | Koipuram | Othera SO | 📍 689546 | Thiruvalla | Post Office - PO |
| 138 | Koipuram | Kadapra Kumbanadu BO | 📍 689547 | Thiruvalla | Branch Post Office |
| 139 | Koipuram | Kumbanadu SO | 📍 689547 | Thiruvalla | Post Office - PO |
| 140 | Koipuram | Muttumon BO | 📍 689547 | Thiruvalla | Branch Post Office |
| 141 | Koipuram | Kurunghazhabhagom BO | 📍 689548 | Thiruvalla | Branch Post Office |
| 142 | Koipuram | Pullad SO | 📍 689548 | Thiruvalla | Post Office - PO |
| 143 | Koipuram | Varayannur BO | 📍 689548 | Thiruvalla | Branch Post Office |
| 144 | Kollamula | Chathenthara BO | 📍 686510 | Ranni | Branch Post Office |
| 145 | Kollamula | Edakadathy BO | 📍 686510 | Ranni | Branch Post Office |
| 146 | Kollamula | Mukkoottuthara SO | 📍 686510 | Ranni | Post Office - PO |
| 147 | Kollamula | Thulappally BO | 📍 686510 | Ranni | Branch Post Office |
| 148 | Kollamula | Venkurinji BO | 📍 686510 | Ranni | Branch Post Office |
| 149 | Kollamula | Kunnam Vechoochira SO | 📍 686511 | Ranni | Post Office - PO |
| 150 | Kollamula | Mannadisala BO | 📍 686511 | Ranni | Branch Post Office |