nantawarra postcode sa Home ›› Postcode Finder ›› SA ›› Nantawarra Nantawarra local listingsThe suburb of Nantawarra is located in SA and has a postcode of 5550. Free nantawarra business listing! Get the first free listing in nantawarra! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.