wittitrin postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wittitrin Wittitrin local listingsThe suburb of Wittitrin is located in NSW and has a postcode of 2440. Free wittitrin business listing! Get the first free listing in wittitrin! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.