skillion-flat postcode nsw Home ›› Postcode Finder ›› NSW ›› Skillion-Flat Skillion Flat local listingsThe suburb of Skillion Flat is located in NSW and has a postcode of 2440. Free skillion flat business listing! Get the first free listing in skillion flat! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.