ashbourne postcode sa Home ›› Postcode Finder ›› SA ›› Ashbourne Ashbourne local listingsThe suburb of Ashbourne is located in SA and has a postcode of 5157. Free ashbourne business listing! 1Eastern Fleurieu R-12 SchoolMain Rd 08 85366135 View more business listings in ashbourne Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.