| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abaogwuoma, Ekwulobia | 422111 |
| Postal/ZIP Codes in Agba, Ekwulobia | 422111 |
| Postal/ZIP Codes in Aguata, Ekwulobia | 422111 |
| Postal/ZIP Codes in Eziagulu, Ekwulobia | 422111 |
| Postal/ZIP Codes in Nkono, Ekwulobia | 422111 |
| Postal/ZIP Codes in Okpo, Ekwulobia | 422111 |
| Postal/ZIP Codes in Umuchi, Ekwulobia | 422111 |
| Postal/ZIP Codes in Umuchiana, Ekwulobia | 422111 |