koombooloomba postcode qld Home ›› Postcode Finder ›› QLD ›› Koombooloomba Koombooloomba local listingsThe suburb of Koombooloomba is located in QLD and has a postcode of 4872. Free koombooloomba business listing! Get the first free listing in koombooloomba! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.