| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kibanda Nkumba, Nkumba | 21425 |
| Postal/ZIP Codes in Kisiwani Kisiwani, Nkumba | 21425 |
| Postal/ZIP Codes in Kwemhose, Nkumba | 21425 |
| Postal/ZIP Codes in Mamboleo, Nkumba | 21425 |
| Postal/ZIP Codes in Masimbani, Nkumba | 21425 |
| Postal/ZIP Codes in Ubembe, Nkumba | 21425 |