sydney-domestic-airport postcode nsw Home ›› Postcode Finder ›› NSW ›› Sydney-Domestic-Airport Sydney Domestic Airport local listingsThe suburb of Sydney Domestic Airport is located in NSW and has a postcode of 2020. Free sydney domestic airport business listing! Get the first free listing in sydney domestic airport! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.