| Place | Post Code |
|---|---|
| Eyo - Essi, Iquita | 523119 |
| Eyo - Esu, Iquita | 523119 |
| Eyo - Usotai, Iquita | 523119 |
| Eyo - Utumong, Iquita | 523119 |
| Udung - Ndung, Iquita | 523119 |
| Udung - Uso, Iquita | 523119 |
| All postal codes in Onna | |
|---|---|
| Awa Clan, Onna | |
| Iquita, Onna | |
| Nung Ndem Clan, Onna | |
| Oniong Clan, Onna | |