| Place | Post Code |
|---|---|
| Gongo, Central Gem | 40600 |
| Kagilo, Central Gem | 40600 |
| Nyandiwa, Central Gem | 40600 |
| Nyawara, Central Gem | 40633 |
| Siriwo, Central Gem | 40600 |
| All postal codes in Gem | |
|---|---|
| Central Gem, Gem | |
| East Gem, Gem | |
| North Gem, Gem | |
| South Gem, Gem | |
| West Gem, Gem | |
| Yala Township, Gem | |