| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Edem Urua, Iwerre | 531110 |
| Postal/ZIP Codes in Ikweme, Iwerre | 531110 |
| Postal/ZIP Codes in Mbiabong, Iwerre | 531110 |
| Postal/ZIP Codes in Nturi, Iwerre | 531110 |
| Postal/ZIP Codes in Obotme, Iwerre | 531110 |
| Postal/ZIP Codes in Okpoto, Iwerre | 531110 |
| Postal/ZIP Codes in Ukpa Okon, Iwerre | 531110 |