barker-creek-flat postcode qld Home ›› Postcode Finder ›› QLD ›› Barker-Creek-Flat Barker Creek Flat local listingsThe suburb of Barker Creek Flat is located in QLD and has a postcode of 4615. Free barker creek flat business listing! Get the first free listing in barker creek flat! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.