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