highfields postcode nswst Home ›› Postcode Finder ›› NSWST ›› Highfields Highfields local listingsThe suburb of Highfields is located in NSW and has a postcode of 2289. Free highfields business listing! 1KU Kahibah Road Children's Centre14a George Street 02 4943 1306 View more business listings in highfields Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.