| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ilmotiok, Ilmotiok | 20500 |
| Postal/ZIP Codes in Kuto, Ilmotiok | 20500 |
| Postal/ZIP Codes in Mulot, Ilmotiok | 20500 |
| Postal/ZIP Codes in Nkiito, Ilmotiok | 20500 |
| Postal/ZIP Codes in Nkoirikori, Ilmotiok | 20500 |
| Postal/ZIP Codes in Olchorro Oiroua, Ilmotiok | 20500 |