| Place | Post Code |
|---|---|
| Banja, Banja | 50316 |
| Gasianga, Banja | 50300 |
| Givogi, Banja | 50300 |
| Kapsotik, Banja | 50300 |
| Kipchekwen, Banja | 50300 |
| Senende, Banja | 50300 |
| All postal codes in Hamisi | |
|---|---|
| Banja, Hamisi | |
| Gisambai, Hamisi | |
| Jepkoyai, Hamisi | |
| Muhudu, Hamisi | |
| Shamakhokho, Hamisi | |
| Shiru, Hamisi | |
| Tambua, Hamisi | |