| Place | Post Code |
|---|---|
| Yamokondu, Yandongi | None |
| Yamotili, Yandongi | None |
| Yamuha, Yandongi | None |
| Yandende, Yandongi | None |
| Yandongi, Yandongi | None |
| Yandongi-Moke, Yandongi | None |
| Yanonzua, Yandongi | None |
| Yasoku, Yandongi | None |
| Yateka, Yandongi | None |
| All postal codes in Bumba | |
|---|---|
| Banda-Yowa, Bumba | |
| Itimbiri, Bumba | |
| Loeka, Bumba | |
| Molua, Bumba | |
| Monzamboli, Bumba | |
| Yandongi, Bumba | |