| Place | Postal Code |
|---|---|
| Eguare, Ugun | 310109 |
| Idumesan, Ugun | 310109 |
| Idumu-Ikhialen, Ugun | 310109 |
| Idumu-Ikhinlen, Ugun | 310109 |
| Idumuadocha, Ugun | 310109 |
| Idumuneduegbe, Ugun | 310109 |
| Ikekogbe, Ugun | 310109 |
| Oduwebho, Ugun | 310109 |
| Okaigben, Ugun | 310109 |
| Postal Codes in Igueben | |
|---|---|
| Amahor, Igueben | |
| Ekpon, Igueben | |
| Ugun, Igueben | |