Home Postcode finder QLD Argoon Argoon postcode QLD Argoon is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Argoon business listing Be the first listing in Argoon Common questionsWhat is the postcode for Argoon?Argoon, QLD has the postcode 4702.What state is Argoon in?Argoon is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Argoon. Browse other postcodes in Queensland, or widen the search to every Australian postcode.