wylies-flat postcode nsw Home ›› Postcode Finder ›› NSW ›› Wylies-Flat Wylies Flat local listingsThe suburb of Wylies Flat is located in NSW and has a postcode of 2330. Free wylies flat business listing! Get the first free listing in wylies flat! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.