Home Postcode finder QLD Cairns Orchid Plaza Cairns Orchid Plaza postcode QLD Cairns Orchid Plaza is a locality in Queensland covered by postcode 4870. Postcode 4870 State or territory Queensland (QLD) Region North QLD Add a free Cairns Orchid Plaza business listing Be the first listing in Cairns Orchid Plaza Common questionsWhat is the postcode for Cairns Orchid Plaza?Cairns Orchid Plaza, QLD has the postcode 4870.What state is Cairns Orchid Plaza in?Cairns Orchid Plaza is in Queensland (QLD).Does postcode 4870 cover more than one suburb?Yes. Postcode 4870 covers 26 localities, so the postcode alone does not identify Cairns Orchid Plaza. Browse other postcodes in Queensland, or widen the search to every Australian postcode.