Home Postcode finder QLD Meldale Meldale postcode QLD Meldale is a locality in Queensland covered by postcode 4510. Postcode 4510 State or territory Queensland (QLD) Region Moreton Add a free Meldale business listing Be the first listing in Meldale Common questionsWhat is the postcode for Meldale?Meldale, QLD has the postcode 4510.What state is Meldale in?Meldale is in Queensland (QLD).Does postcode 4510 cover more than one suburb?Yes. Postcode 4510 covers 10 localities, so the postcode alone does not identify Meldale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.