hindmarsh-island postcode sa Home ›› Postcode Finder ›› SA ›› Hindmarsh-Island Hindmarsh Island local listingsThe suburb of Hindmarsh Island is located in SA and has a postcode of 5214. Free hindmarsh island business listing! Get the first free listing in hindmarsh island! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.