| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Evboneka, Isiuwa | 302115 |
| Postal/ZIP Codes in Iyowa, Isiuwa | 302115 |
| Postal/ZIP Codes in Nifor, Isiuwa | 302115 |
| Postal/ZIP Codes in Okhuen Camp, Isiuwa | 302115 |
| Postal/ZIP Codes in Ugbogiobo, Isiuwa | 302115 |
| Postal/ZIP Codes in Ukpoke, Isiuwa | 302115 |