weengallon postcode qld Home ›› Postcode Finder ›› QLD ›› Weengallon Weengallon local listingsThe suburb of Weengallon is located in QLD and has a postcode of 4497. Free weengallon business listing! Get the first free listing in weengallon! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.