innamincka postcode sa Home ›› Postcode Finder ›› SA ›› Innamincka Innamincka local listingsThe suburb of Innamincka is located in SA and has a postcode of 5731. Free innamincka business listing! Get the first free listing in innamincka! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.