| Place | Post Code |
|---|---|
| Kagbumbo, Biriwa | None |
| Kakayu, Biriwa | None |
| Kakeako, Biriwa | None |
| Kakia, Biriwa | None |
| Kakumankoro, Biriwa | None |
| Kamabai, Biriwa | None |
| Kamaharin, Biriwa | None |
| Kamareki, Biriwa | None |
| Kamaron, Biriwa | None |
| Kamasiki, Biriwa | None |
| Kamata, Biriwa | None |
| Kamatogu, Biriwa | None |
| Kambana, Biriwa | None |
| Kambaya, Biriwa | None |
| Kampan, Biriwa | None |
| Kanike, Biriwa | None |
| Kantiri, Biriwa | None |
| Kantirina, Biriwa | None |
| Kapete, Biriwa | None |
| Karakana, Biriwa | None |
| Karina, Biriwa | None |
| Kasan, Biriwa | None |
| Kasansa, Biriwa | None |
| Kasasi, Biriwa | None |
| Kasengbe, Biriwa | None |
| Kasine, Biriwa | None |