karragarra-island postcode qld Home ›› Postcode Finder ›› QLD ›› Karragarra-Island Karragarra Island local listingsThe suburb of Karragarra Island is located in QLD and has a postcode of 4184. Free karragarra island business listing! Get the first free listing in karragarra island! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.