| Place | Post Code |
|---|---|
| Muthiga, Githiga (Laikipia) | 20300 |
| Mwenje, Githiga (Laikipia) | 20300 |
| All postal codes in Laikipia West | |
|---|---|
| Githiga (Laikipia), Laikipia West | |
| Igwamiti, Laikipia West | |
| Marmanet, Laikipia West | |
| Ol-Moran, Laikipia West | |
| Rumuruti Township, Laikipia West | |
| Salama, Laikipia West | |