kangaroo-flat postcode sa Home ›› Postcode Finder ›› SA ›› Kangaroo-Flat Kangaroo Flat local listingsThe suburb of Kangaroo Flat is located in SA and has a postcode of 5118. Free kangaroo flat business listing! Get the first free listing in kangaroo flat! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.