| All postal codes in Ikwo |
| Akpan-Wudele, Ikwo |
| Amain-Yima, Ikwo |
| Echia-Like, Ikwo |
| Eka-Awoke, Ikwo |
| Enyibichiri-Alike, Ikwo |
| Etim-Ekpuitumo, Ikwo |
| Igbudu, Ikwo |
| Inyimagu, Ikwo |
| Ndiagu-Achara, Ikwo |
| Ndiagu-Amagu, Ikwo |
| Ndifu-Alike, Ikwo |
| Ndufu-Achara, Ikwo |
| Ndufu-Amagu, Ikwo |
| Noyo-Alike, Ikwo |