benbournie postcode sa Home ›› Postcode Finder ›› SA ›› Benbournie Benbournie local listingsThe suburb of Benbournie is located in SA and has a postcode of 5453. Free benbournie business listing! Get the first free listing in benbournie! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.