coonawarra postcode sa Home ›› Postcode Finder ›› SA ›› Coonawarra Coonawarra local listingsThe suburb of Coonawarra is located in SA and has a postcode of 5263. Free coonawarra business listing! Get the first free listing in coonawarra! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.