thornleigh postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Thornleigh Thornleigh local listingsThe suburb of Thornleigh is located in NSW and has a postcode of 2120. Free thornleigh business listing! 1Emanate & Co.24/7 Sefton Rd, Thornleigh NSW 2120, Australia (02) 9481 04862My Butler Service7/12 Pioneer Avenue, Thornleigh New South Wales 2120, Australia 1300 288 5373Buffalo Security14A Railway Parade, Thornleigh New South Wales 2120, Australia 0298090204 View more business listings in thornleigh Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.