| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Avoh, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Egbelu, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Okpuala, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Oriala-Ugaa, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Umuekpe, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Umunkalu, Amasa-Ntigha | 451105 |
| Postal/ZIP Codes in Umuogele, Amasa-Ntigha | 451105 |