murrumba-downs postcode qld Home ›› Postcode Finder ›› QLD ›› Murrumba-Downs Murrumba Downs local listingsThe suburb of Murrumba Downs is located in QLD and has a postcode of 4503. Free murrumba downs business listing! Get the first free listing in murrumba downs! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.