| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Abanwam, Erei | 542112 |
| Postal/ZIP Codes in Afono, Erei | 542112 |
| Postal/ZIP Codes in Edu, Erei | 542112 |
| Postal/ZIP Codes in Egbor, Erei | 542112 |
| Postal/ZIP Codes in Etana, Erei | 542112 |
| Postal/ZIP Codes in Ibini, Erei | 542112 |
| Postal/ZIP Codes in Ipene, Erei | 542112 |
| Postal/ZIP Codes in Obani Erei, Erei | 542112 |
| Postal/ZIP Codes in Umoubon, Erei | 542112 |
| Postal/ZIP Codes in Urugban, Erei | 542112 |