willoughby-east postcode nsw Home ›› Postcode Finder ›› NSW ›› Willoughby-East Willoughby East local listingsThe suburb of Willoughby East is located in NSW and has a postcode of 2068. Free willoughby east business listing! Get the first free listing in willoughby east! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.