birnam postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Birnam Birnam local listingsThe suburb of Birnam is located in QLD and has a postcode of 4352. Free birnam business listing! 1Kinbrook Custom Domes3242 Beaudesert Beenleigh Road, Birnam QLD, Australia 04910083592Australian Name Badge3242 Beaudesert Beenleigh Road, Birnam QLD, Australia 0493703705 View more business listings in birnam Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.