lake-illawarra postcode nsw Home ›› Postcode Finder ›› NSW ›› Lake-Illawarra Lake Illawarra local listingsThe suburb of Lake Illawarra is located in NSW and has a postcode of 2528. Free lake illawarra business listing! Get the first free listing in lake illawarra! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.