Home Postcode finder QLD Margate Beach Margate Beach postcode QLD Margate Beach is a locality in Queensland covered by postcode 4019. Postcode 4019 State or territory Queensland (QLD) Region Moreton Add a free Margate Beach business listing Be the first listing in Margate Beach Common questionsWhat is the postcode for Margate Beach?Margate Beach, QLD has the postcode 4019.What state is Margate Beach in?Margate Beach is in Queensland (QLD).Does postcode 4019 cover more than one suburb?Yes. Postcode 4019 covers 5 localities, so the postcode alone does not identify Margate Beach. Browse other postcodes in Queensland, or widen the search to every Australian postcode.