| Place | Post Code |
|---|---|
| Kanyach Kachar, Homa Bay East | 40300 |
| Kobwola-Kogwang, Homa Bay East | 40300 |
| Komolo, Homa Bay East | 40300 |
| Kothidha, Homa Bay East | 40300 |
| All postal codes in Homa Bay Town | |
|---|---|
| Homa Bay Arujo, Homa Bay Town | |
| Homa Bay Central, Homa Bay Town | |
| Homa Bay East, Homa Bay Town | |
| Homa Bay West, Homa Bay Town | |