| Councils |
|---|
| Gatuanyaga, Thika Town |
| Hospital (Thika), Thika Town |
| Kamenu, Thika Town |
| Ngoliba, Thika Town |
| Township C, Thika Town |
| All postal codes in Kiambu |
|---|
| Gatundu North |
| Gatundu South |
| Githunguri |
| Juja |
| Kabete |
| Kiambaa |
| Kiambu |
| Kikuyu |
| Lari |
| Limuru |
| Ruiru |
| Thika Town |