Home Postcode finder QLD Magnolia Magnolia postcode QLD Magnolia is a locality in Queensland covered by postcode 4650. Postcode 4650 State or territory Queensland (QLD) Region Sunshine Coast Add a free Magnolia business listing More business listings in Magnolia Businesses in MagnoliaG & D Ross Bus Charters1197 Bidwill Road, Magnolia Queensland 4650, Australia · +61 7 4129 7132 Common questionsWhat is the postcode for Magnolia?Magnolia, QLD has the postcode 4650.What state is Magnolia in?Magnolia is in Queensland (QLD).Does postcode 4650 cover more than one suburb?Yes. Postcode 4650 covers 48 localities, so the postcode alone does not identify Magnolia. Browse other postcodes in Queensland, or widen the search to every Australian postcode.