| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kapkoi, Keiyo | 30200 |
| Postal/ZIP Codes in Keiyo, Keiyo | 30200 |
| Postal/ZIP Codes in Kolongolo, Keiyo | 30200 |
| Postal Codes in Kwanza | |
|---|---|
| Postal/ZIP Codes in Bidii, Kwanza | |
| Postal/ZIP Codes in Keiyo, Kwanza | |
| Postal/ZIP Codes in Kwanza, Kwanza | |