Ika North East Local Government Area (LGA) of Delta State, Nigeria, has several Districts which all make use of different postal or zip codes.
Here are the postcodes for towns within Ika North East LGA:
Akumazi
| Location | Postcode |
| Akuku-Akumazi | 321108 |
| Akumazi | 321108 |
| Ase | 321108 |
| Etiti | 321108 |
| Idumuigwe | 321108 |
| Idumuobi | 321108 |
| Isiube | 321108 |
| Obi-Quarter | 321108 |
| Oduga | 321108 |
| Owerr-Olubor | 321108 |
| Umuagboma | 321108 |
| Umukpulu | 321108 |
Idumuesan
| Location | Postcode |
| Aliegbo | 321112 |
| Alilor | 321112 |
| Aliobume | 321112 |
| Aliojeh | 321112 |
| Idumu-Ukpa | 321112 |
| Idumu-Uzougbo | 321112 |
Igbodo
| Location | Postcode |
| Idumuozeh | 321113 |
| Ilabor | 321113 |
| Isaiah Camp | 321113 |
| Ndobu | 321113 |
| Aniekpukwu | 321113 |
| Anieyime | 321113 |
| Idumuobior | 321113 |
Mbiri
| Location | Postcode |
| Agban | 321106 |
| Ikeze | 321106 |
| Itamuzun | 321106 |
| Mbiri Farm Settlement | 321106 |
| Obi | 321106 |
| Ugbeka | 321106 |
Otolokpo
| Location | Postcode |
| Achara | 321110 |
| Alugba | 321110 |
| Idumu-Obi | 321110 |
| Obume | 321110 |
| Okete | 321110 |
| Orji | 321110 |
| Umuhu | 321110 |
Owa
| Location | Postcode |
| Boji-Boji-Owa | 321105 |
| Owa Oyibu | 321105 |
| Owa-Alero | 321105 |
| Owa-Alidinma | 321105 |
| Owa-Aliozomor | 321105 |
| Owa-Ekei | 321105 |
| Owa-Ofie | 321105 |
| Owanta-Idumuetor | 321105 |
Umunede
| Location | Postcode |
| Idumu-Ile | 321107 |
| Idumu-Oba | 321107 |
| Idumu-Uleje | 321107 |
| Obi | 321107 |
| Umunede | 321107 |
Ute-Ogbute-Eje
| Location | Postcode |
| Akpama | 321109 |
| Aninwachokor | 321109 |
| Imike | 321109 |
| Ogbe-akpu | 321109 |
| Ogbe-Obi | 321109 |
Ute-Okpu
| Location | Postcode |
| Ibiegwa | 321111 |
| Ogbe | 321111 |
| Ute-Alohen | 321111 |
| Ute-Enugu | 321111 |
| Ute-Erumu | 321111 |
| Ute-Owerri | 321111 |