old-noarlunga postcode sa Home ›› Postcode Finder ›› SA ›› Old-Noarlunga Old Noarlunga local listingsThe suburb of Old Noarlunga is located in SA and has a postcode of 5168. Free old noarlunga business listing! Get the first free listing in old noarlunga! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.