magnolia postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Magnolia Magnolia local listingsThe suburb of Magnolia is located in QLD and has a postcode of 4650. Free magnolia business listing! 1G & D Ross Bus Charters1197 Bidwill Road, Magnolia Queensland 4650, Australia +61 7 4129 7132 View more business listings in magnolia Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.