liddell postcode nswst Home ›› Postcode Finder ›› NSWST ›› Liddell Liddell local listingsThe suburb of Liddell is located in NSW and has a postcode of 2333. Free liddell business listing! Get the first free listing in liddell! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.