coniston postcode nswst Home ›› Postcode Finder ›› NSWST ›› Coniston Coniston local listingsThe suburb of Coniston is located in NSW and has a postcode of 2500. Free coniston business listing! 1Australian Technical College3 Bridge St 02 422599112Arrow Electrical Services109 Auburn St 02422730883Coniston Public School123 Auburn St 02 42291117 View more business listings in coniston Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.