| Place | Post Code |
|---|---|
| Adomi, Kaliko-Omi | None |
| Ala, Kaliko-Omi | None |
| Ali, Kaliko-Omi | None |
| Alize, Kaliko-Omi | None |
| Alo, Kaliko-Omi | None |
| Ara, Kaliko-Omi | None |
| Arigako, Kaliko-Omi | None |
| Buluma, Kaliko-Omi | None |
| Didimadi, Kaliko-Omi | None |
| Egi, Kaliko-Omi | None |
| Endri, Kaliko-Omi | None |
| Gbula, Kaliko-Omi | None |
| Ingbokolomuke, Kaliko-Omi | None |
| Lagbo, Kaliko-Omi | None |
| Luku, Kaliko-Omi | None |
| Mado, Kaliko-Omi | None |
| Mbia, Kaliko-Omi | None |
| Mune, Kaliko-Omi | None |
| Oli, Kaliko-Omi | None |
| Orimba, Kaliko-Omi | None |
| All postal codes in Aru | |
|---|---|
| Aluru, Aru | |
| Kakwa, Aru | |
| Kaliko-Omi, Aru | |
| Lu, Aru | |
| Ndo-Okebo, Aru | |
| Nio-Kamule, Aru | |
| Otso, Aru | |
| Zaki, Aru | |