yankalilla postcode sa Home ›› Postcode Finder ›› SA ›› Yankalilla Yankalilla local listingsThe suburb of Yankalilla is located in SA and has a postcode of 5203. Free yankalilla business listing! 1Yankalilla Area SchoolLot 5 Main St 08 85580888 View more business listings in yankalilla Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.