Home Postcode finder QLD Margate Margate postcode QLD Margate is a locality in Queensland covered by postcode 4019. Postcode 4019 State or territory Queensland (QLD) Region Moreton Add a free Margate business listing More business listings in Margate Businesses in MargateHumpybong State School56 Ernest St · 07 32842736 Common questionsWhat is the postcode for Margate?Margate, QLD has the postcode 4019.What state is Margate in?Margate 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. Browse other postcodes in Queensland, or widen the search to every Australian postcode.