hornsby postcode nsw Home ›› Postcode Finder ›› NSW ›› Hornsby Hornsby local listingsThe suburb of Hornsby is located in NSW and has a postcode of 2077. Free hornsby business listing! 1Hornsby Girls High School12 Edgeworth David Avenue 02 947657112Hornsby Heights Public School8-20 Somerville Rd 02 947651333Hornsby North Public SchoolIda St 02 99874605 View more business listings in hornsby Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.