drillham-south postcode qld Home ›› Postcode Finder ›› QLD ›› Drillham-South Drillham South local listingsThe suburb of Drillham South is located in QLD and has a postcode of 4424. Free drillham south business listing! Get the first free listing in drillham south! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.