| Place | Post Code |
|---|---|
| Barsombe, Segero/Barsombe | 30200 |
| Kapngetuny, Segero/Barsombe | 30111 |
| Koisagat, Segero/Barsombe | 30200 |
| Segero, Segero/Barsombe | 30200 |
| All postal codes in Soy | |
|---|---|
| Kapkures (Soy), Soy | |
| Kipsomba, Soy | |
| Kuinet/Kapsuswa, Soy | |
| Moi'S Bridge, Soy | |
| Segero/Barsombe, Soy | |
| Soy, Soy | |
| Ziwa, Soy | |