Home Postcode finder QLD North Cairns North Cairns postcode QLD North Cairns is a locality in Queensland covered by postcode 4870. Postcode 4870 State or territory Queensland (QLD) Region North QLD Add a free North Cairns business listing More business listings in North Cairns Businesses in North CairnsCamperman Australia North Cairns · (07) 4032 5675 Camperman Australia North Cairns · (07) 4032 5675 Online Psychology - Telehealth PsychologyPO Box 735 · 1300 088 444 Common questionsWhat is the postcode for North Cairns?North Cairns, QLD has the postcode 4870.What state is North Cairns in?North Cairns 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 North Cairns. Browse other postcodes in Queensland, or widen the search to every Australian postcode.