banana postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Banana Banana local listingsThe suburb of Banana is located in QLD and has a postcode of 4702. Free banana business listing! 1Banana State SchoolDawson Highway 07 49959333 View more business listings in banana Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.