Home Postcode finder QLD Gungaloon Gungaloon postcode QLD Gungaloon is a locality in Queensland covered by postcode 4620. Postcode 4620 State or territory Queensland (QLD) Region Sunshine Coast Add a free Gungaloon business listing Be the first listing in Gungaloon Common questionsWhat is the postcode for Gungaloon?Gungaloon, QLD has the postcode 4620.What state is Gungaloon in?Gungaloon is in Queensland (QLD).Does postcode 4620 cover more than one suburb?Yes. Postcode 4620 covers 10 localities, so the postcode alone does not identify Gungaloon. Browse other postcodes in Queensland, or widen the search to every Australian postcode.