| Postal Code | Town | County |
|---|---|---|
| 30709 | Cheptongei | Elgeyo-Marakwet |
| 50243 | Chesamisi | Bungoma |
| 20217 | Chesinendet | Kericho |
| 30712 | Chesoi | Elgeyo-Marakwet |
| 60401 | Chogoria | Tharaka-Nithi |
| 60400 | Chuka | Tharaka-Nithi |
| 80314 | Chumvini | Taita-Taveta |
| 50202 | Chwele | Bungoma |
| 80103 | Coast General Hospital | Mombasa |
| 70103 | Dadaab | Garissa |