glenunga postcode sa Home ›› Postcode Finder ›› SA ›› Glenunga Glenunga local listingsThe suburb of Glenunga is located in SA and has a postcode of 5064. Free glenunga business listing! 1By Urban315 Glen Osmond Road, Glenunga SA, Australia +61 8 8363 14442Glenunga International High School99 L'Estrange St 08 83795629 View more business listings in glenunga Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.