cairns-orchid-plaza postcode qld Home ›› Postcode Finder ›› QLD ›› Cairns-Orchid-Plaza Cairns Orchid Plaza local listingsThe suburb of Cairns Orchid Plaza is located in QLD and has a postcode of 4870. Free cairns orchid plaza business listing! Get the first free listing in cairns orchid plaza! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.