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! 1Glenunga International High School99 L'Estrange St 08 837956292By Urban315 Glen Osmond Road, Glenunga SA, Australia +61 8 8363 1444 View more business listings in glenunga Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.