crownthorpe postcode qld Home ›› Postcode Finder ›› QLD ›› Crownthorpe Crownthorpe local listingsThe suburb of Crownthorpe is located in QLD and has a postcode of 4605. Free crownthorpe business listing! Get the first free listing in crownthorpe! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.