Home Postcode finder QLD Thagoona Thagoona postcode QLD Thagoona is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Thagoona business listing Be the first listing in Thagoona Common questionsWhat is the postcode for Thagoona?Thagoona, QLD has the postcode 4306.What state is Thagoona in?Thagoona is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Thagoona. Browse other postcodes in Queensland, or widen the search to every Australian postcode.