Home Postcode finder QLD Airdmillan Airdmillan postcode QLD Airdmillan is a locality in Queensland covered by postcode 4807. Postcode 4807 State or territory Queensland (QLD) Region North QLD Add a free Airdmillan business listing Be the first listing in Airdmillan Common questionsWhat is the postcode for Airdmillan?Airdmillan, QLD has the postcode 4807.What state is Airdmillan in?Airdmillan is in Queensland (QLD).Does postcode 4807 cover more than one suburb?Yes. Postcode 4807 covers 16 localities, so the postcode alone does not identify Airdmillan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.