| Place | Post Code |
|---|---|
| Eguaholor, Isi North | 301113 |
| Igueoke, Isi North | 301113 |
| Iguesogban, Isi North | 301113 |
| Iguomo, Isi North | 301113 |
| Ike, Isi North | 301113 |
| Iyanomo, Isi North | 301113 |
| Oghada, Isi North | 301113 |
| Okhuokhuo, Isi North | 301113 |
| Ugbezee, Isi North | 301113 |
| Urbenisi, Isi North | 301113 |