| Place | Post Code |
|---|---|
| Ijuuk, Nyiro | 20600 |
| Lkayo, Nyiro | 20600 |
| Lkotikal, Nyiro | 20600 |
| Lonjorin, Nyiro | 20600 |
| Losurkoi, Nyiro | 20600 |
| Nakweny, Nyiro | 20600 |
| Parkati, Nyiro | 20600 |
| Simale, Nyiro | 20600 |
| South Horr, Nyiro | 20604 |
| Tuum, Nyiro | 20600 |
| Uaso Rongai, Nyiro | 20600 |
| All postal codes in Samburu North | |
|---|---|
| Angata Nanyokie, Samburu North | |
| Baawa, Samburu North | |
| El-Barta, Samburu North | |
| Nachola, Samburu North | |
| Ndoto, Samburu North | |
| Nyiro, Samburu North | |