| Lieu | Code postal |
|---|---|
| Afuda, Irrua | 310112 |
| Agwa, Irrua | 310112 |
| Akho, Irrua | 310112 |
| Atuagbo, Irrua | 310112 |
| Eguare, Irrua | 310112 |
| Ekillor, Irrua | 310112 |
| Eko-Akhahuabhalu, Irrua | 310112 |
| Eko-Iyobhebhe, Irrua | 310112 |
| Eko-Oguanlen, Irrua | 310112 |
| Eko-Uwaya, Irrua | 310112 |
| Eku-Obhiosa, Irrua | 310112 |
| Ibhiolulu, Irrua | 310112 |
| Ibore, Irrua | 310112 |
| Ididigba, Irrua | 310112 |
| Idinegbon, Irrua | 310112 |
| Idinobi, Irrua | 310112 |
| Idumebo, Irrua | 310112 |
| Idumoza, Irrua | 310112 |
| Idumuoghodo, Irrua | 310112 |
| Ikegogbe, Irrua | 310112 |
| Ikekato, Irrua | 310112 |
| Imaruigho, Irrua | 310112 |
| Kakulu Camp, Irrua | 310112 |
| Ohe, Irrua | 310112 |
| Okhoromi, Irrua | 310112 |
| Otoruwa, Irrua | 310112 |
| Codes postaux en Esan Central | |
|---|---|
| Ebelle, Esan Central | |
| Ewossa, Esan Central | |
| Ewu, Esan Central | |
| Igueben, Esan Central | |
| Irrua, Esan Central | |
| Opoji, Esan Central | |
| Ugbegun, Esan Central | |