| Place | Post Code |
|---|---|
| Afokpella, Okpella | 312113 |
| Awuyemi, Okpella | 312113 |
| Iddo I, Okpella | 312113 |
| Iddo II, Okpella | 312113 |
| Imiagbe, Okpella | 312113 |
| Imiagbese, Okpella | 312113 |
| Imiamune, Okpella | 312113 |
| Imiegiele, Okpella | 312113 |
| Imiekhuri, Okpella | 312113 |
| Imioko, Okpella | 312113 |
| Imiomoka, Okpella | 312113 |
| Itruogbe, Okpella | 312113 |
| Kalabar, Okpella | 312113 |
| Ogagu, Okpella | 312113 |
| Ogiriga, Okpella | 312113 |
| Ogute-Oke, Okpella | 312113 |
| Okhu, Okpella | 312113 |
| Okugbe, Okpella | 312113 |
| Udorho, Okpella | 312113 |
| Ugbereke, Okpella | 312113 |
| Utegie, Okpella | 312113 |
| Yelwa, Okpella | 312113 |
| All postal codes in Etsako Central | |
|---|---|
| Ekperi, Etsako Central | |
| Fugar-Avianwu, Etsako Central | |
| Okpekpe, Etsako Central | |
| Okpella, Etsako Central | |
| South Uneme, Etsako Central | |
| Three Ibies, Etsako Central | |