| Place | Post Code |
|---|---|
| Lemisigiyo, Porro | 20600 |
| Malaso, Porro | 20600 |
| Nauneri, Porro | 20600 |
| Ngejumuny, Porro | 20600 |
| Seketet, Porro | 20600 |
| Siambu, Porro | 20600 |
| Sirata-Oirobi, Porro | 20600 |
| All postal codes in Samburu West | |
|---|---|
| Lodokejek, Samburu West | |
| Loosuk, Samburu West | |
| Maralal, Samburu West | |
| Porro, Samburu West | |
| Suguta Marmar, Samburu West | |