| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Obulechi, Amagu | 480107 |
| Postal/ZIP Codes in Oferekpe, Amagu | 480107 |
| Postal/ZIP Codes in Ohamini I, Amagu | 480107 |
| Postal/ZIP Codes in Ohamini II, Amagu | 480107 |
| Postal/ZIP Codes in Okpitumo-Amangu, Amagu | 480107 |
| Postal/ZIP Codes in Okpuru Egbu, Amagu | 480107 |
| Postal/ZIP Codes in Okwefurike, Amagu | 480107 |
| Postal/ZIP Codes in Olua, Amagu | 480107 |
| Postal/ZIP Codes in Opamma, Amagu | 480107 |
| Postal/ZIP Codes in Orizo, Amagu | 480107 |