| Place | Post Code |
|---|---|
| Impala, Segera | 20300 |
| Naibor, Segera | 20300 |
| Ngarengiro, Segera | 20300 |
| Rugutu, Segera | 20300 |
| Segera, Segera | 20300 |
| All postal codes in Laikipia North | |
|---|---|
| Mukogondo East, Laikipia North | |
| Mukogondo West, Laikipia North | |
| Segera, Laikipia North | |
| Sosian, Laikipia North | |
| Umande, Laikipia North | |