| Place | Post Code |
|---|---|
| Gaiti, Igwamiti | 20300 |
| Igwamiti, Igwamiti | 20307 |
| Losogwa, Igwamiti | 20300 |
| Maina, Igwamiti | 20300 |
| Manguo, Igwamiti | 20300 |
| Muthengera, Igwamiti | 20300 |
| Ndunyu, Igwamiti | 20300 |
| Ngoru, Igwamiti | 20300 |
| Shamenei, Igwamiti | 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 | |