| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Okwarakaru, Nwkoachara | 440107 |
| Postal/ZIP Codes in Umuawa-Alaocha, Nwkoachara | 440107 |
| Postal/ZIP Codes in Umuezerela, Nwkoachara | 440107 |
| Postal/ZIP Codes in Umuire, Nwkoachara | 440107 |
| Postal/ZIP Codes in Umuyota, Nwkoachara | 440107 |