| Place | Post Code |
|---|---|
| East Asango, Sigomere | 40600 |
| Got Osimbo, Sigomere | 40600 |
| Madungu, Sigomere | 40600 |
| Mung'Ao, Sigomere | 40600 |
| Sigomere, Sigomere | 40600 |
| Tingare East, Sigomere | 40600 |
| Tingare West, Sigomere | 40600 |
| West Asango, Sigomere | 40600 |
| All postal codes in Ugunja | |
|---|---|
| Sidindi, Ugunja | |
| Sigomere, Ugunja | |
| Ugunja, Ugunja | |