| Place | Post Code |
|---|---|
| Alto Mejia, Mejía | 04420 |
| Chule, Mejía | 04420 |
| Irrigacion Mejia, Mejía | 04420 |
| Mejia, Mejía | 04420 |
| Nuevo Mejia, Mejía | 04420 |
| Quealaque, Mejía | 04420 |
| Sombrero Chico, Mejía | 04420 |
| Sombrero Grande, Mejía | 04420 |
| All postal codes in Islay | |
|---|---|
| Cocachacra, Islay | |
| Dean Valdivia, Islay | |
| Islay, Islay | |
| Mejía, Islay | |
| Mollendo, Islay | |
| Punta de Bombón, Islay | |