| Postal Code | Town | County |
|---|---|---|
| 60117 | Karurumo | Embu |
| 00608 | Kasarani | Nairobi |
| 80307 | Kasigau | Taita-Taveta |
| 90115 | Katangi | Machakos |
| 90128 | Kathiani | Machakos |
| 90312 | Kathonzweni | Makueni |
| 60406 | Kathwana | Tharaka-Nithi |
| 30508 | Katilu | Turkana |
| 40118 | Katito | Kisumu |
| 90217 | Katothya | Kitui |