| Place | Postal Code |
|---|---|
| Billachi, Gwmba | 642107 |
| Bungudo, Gwmba | 642107 |
| Byelanga, Gwmba | 642107 |
| Famtami, Gwmba | 642107 |
| Gamba, Gwmba | 642107 |
| Lassala, Gwmba | 642107 |
| Mbamburu, Gwmba | 642107 |
| Sabewa, Gwmba | 642107 |
| Salara, Gwmba | 642107 |
| Sondi, Gwmba | 642107 |
| Tswaban, Gwmba | 642107 |
| Wuro Munchi, Gwmba | 642107 |
| Postal Codes in Demsa | |
|---|---|
| Bali, Demsa | |
| Bille, Demsa | |
| Borrong, Demsa | |
| Demsa, Demsa | |
| Dong, Demsa | |
| Gwmba, Demsa | |
| Mbula, Demsa | |