| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ekae, Isi South | 301114 |
| Postal/ZIP Codes in Erhuan, Isi South | 301114 |
| Postal/ZIP Codes in Evbowe, Isi South | 301114 |
| Postal/ZIP Codes in Evguogho, Isi South | 301114 |
| Postal/ZIP Codes in Iguagba, Isi South | 301114 |
| Postal/ZIP Codes in Iguagbe, Isi South | 301114 |
| Postal/ZIP Codes in Iguezomo, Isi South | 301114 |
| Postal/ZIP Codes in Iguiyase, Isi South | 301114 |
| Postal/ZIP Codes in Ilobi, Isi South | 301114 |
| Postal/ZIP Codes in Izikhiri, Isi South | 301114 |
| Postal/ZIP Codes in Obanisi, Isi South | 301114 |