| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Anumeze, Isiagu | 420103 |
| Postal/ZIP Codes in Ebenano, Isiagu | 420103 |
| Postal/ZIP Codes in Emuofite, Isiagu | 420103 |
| Postal/ZIP Codes in Gbaragu, Isiagu | 420103 |
| Postal/ZIP Codes in Iruoge, Isiagu | 420103 |
| Postal/ZIP Codes in Umuakunwa, Isiagu | 420103 |
| Postal/ZIP Codes in Umudike-Irioman, Isiagu | 420103 |
| Postal/ZIP Codes in Umuonyia, Isiagu | 420103 |
| Postal/ZIP Codes in Uruoge, Isiagu | 420103 |