koonibba postcode sa Home ›› Postcode Finder ›› SA ›› Koonibba Koonibba local listingsThe suburb of Koonibba is located in SA and has a postcode of 5690. Free koonibba business listing! Get the first free listing in koonibba! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.