| Lieu | Code postal |
|---|---|
| Amaogwuawu, Amasa | 453115 |
| Amapu, Amasa | 453115 |
| Amuzu, Amasa | 453115 |
| Ibeku, Amasa | 453115 |
| Mbutunta, Amasa | 453115 |
| Umuagwu, Amasa | 453115 |
| Umuihima, Amasa | 453115 |
| Umuihioma, Amasa | 453115 |
| Umuiimo-Osisiasa, Amasa | 453115 |
| Umuimo-, Amasa | 453115 |
| Umuimo-Egbelu, Amasa | 453115 |
| Umuobasi, Amasa | 453115 |