| Ort | Postleitzahl |
|---|---|
| Agenyi, Effium | 481110 |
| Azuedene, Effium | 481110 |
| Ekendiagu, Effium | 481110 |
| Forest-Ibenda, Effium | 481110 |
| Igbudu-Oke, Effium | 481110 |
| Imieyom, Effium | 481110 |
| Inikiri, Effium | 481110 |
| Lebadongom, Effium | 481110 |
| Legadi, Effium | 481110 |
| Ogbodo, Effium | 481110 |
| Ohage, Effium | 481110 |
| Okporo, Effium | 481110 |
| Okposo Iyede, Effium | 481110 |
| Onuebeta, Effium | 481110 |
| Onuokporo Okpudu, Effium | 481110 |
| Onweigwe, Effium | 481110 |
| Onyirigbo, Effium | 481110 |
| Ugoeze, Effium | 481110 |
| Ujulele, Effium | 481110 |