avenell-heights postcode qld Home ›› Postcode Finder ›› QLD ›› Avenell-Heights Avenell Heights local listingsThe suburb of Avenell Heights is located in QLD and has a postcode of 4670. Free avenell heights business listing! Get the first free listing in avenell heights! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.