| Place | Post Code |
|---|---|
| Ayatia, Barwessa | 30400 |
| Barwessa, Barwessa | 30400 |
| Kapluk, Barwessa | 30400 |
| Kaptilimwo, Barwessa | 30400 |
| Kasaka, Barwessa | 30400 |
| Katibel, Barwessa | 30400 |
| Keturwo, Barwessa | 30400 |
| Konoo, Barwessa | 30400 |
| Kuikui, Barwessa | 30400 |
| Maregut, Barwessa | 30400 |
| Muchukwo, Barwessa | 30400 |
| All postal codes in Baringo North | |
|---|---|
| Bartabwa, Baringo North | |
| Barwessa, Baringo North | |
| Kabartonjo, Baringo North | |
| Saimo/Kipsaraman, Baringo North | |
| Saimo/Soi, Baringo North | |