Postcode 5203 This postcode covers more than one locality. Which one are you after? Bald Hills (SA) South Australia LGA: Yankalilla Parawa South Australia LGA: Yankalilla Torrens Vale South Australia LGA: Yankalilla Tunkalilla South Australia LGA: Yankalilla Wattle Flat (SA) South Australia LGA: Yankalilla Yankalilla South Australia LGA: Yankalilla