| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Carangas, Carangas | None |
| Postal Codes in Puerto de Mejillones | |
|---|---|
| Postal/ZIP Codes in Carangas, Puerto de Mejillones | |
| Postal/ZIP Codes in La Rivera, Puerto de Mejillones | |
| Postal/ZIP Codes in Todos Santos, Puerto de Mejillones | |