comerong-island postcode nsw Home ›› Postcode Finder ›› NSW ›› Comerong-Island Comerong Island local listingsThe suburb of Comerong Island is located in NSW and has a postcode of 2540. Free comerong island business listing! Get the first free listing in comerong island! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.