zetland postcode nswst Home ›› Postcode Finder ›› NSWST ›› Zetland Zetland local listingsThe suburb of Zetland is located in NSW and has a postcode of 2017. Free zetland business listing! 1Little PiazzaGadigal Avenue 02 9662 12272Little Piazza Bar & GrillGadigal Avenue 612829462323Australian Bidet 11 Joynton Ave ZETLAND NSW 2017 1300 883766 View more business listings in zetland Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.