biggenden postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Biggenden Biggenden local listingsThe suburb of Biggenden is located in QLD and has a postcode of 4621. Free biggenden business listing! 1Biggenden State SchoolFrederick St 07 41276333 View more business listings in biggenden Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.