| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Amaogwuawu, Amasa | 453115 |
| Postal/ZIP Codes in Amapu, Amasa | 453115 |
| Postal/ZIP Codes in Amuzu, Amasa | 453115 |
| Postal/ZIP Codes in Ibeku, Amasa | 453115 |
| Postal/ZIP Codes in Mbutunta, Amasa | 453115 |
| Postal/ZIP Codes in Umuagwu, Amasa | 453115 |
| Postal/ZIP Codes in Umuihima, Amasa | 453115 |
| Postal/ZIP Codes in Umuihioma, Amasa | 453115 |
| Postal/ZIP Codes in Umuiimo-Osisiasa, Amasa | 453115 |
| Postal/ZIP Codes in Umuimo-, Amasa | 453115 |
| Postal/ZIP Codes in Umuimo-Egbelu, Amasa | 453115 |
| Postal/ZIP Codes in Umuobasi, Amasa | 453115 |