Home Postcode finder NSW Hornsby Hornsby postcode NSW Hornsby is a locality in New South Wales covered by postcode 2077. Postcode 2077 State or territory New South Wales (NSW) Region Pymble Add a free Hornsby business listing More business listings in Hornsby Businesses in Hornsby Ronald Smith & Co10 Edgeworth David Avenue · (02) 9477 1650187 Hornsby187f Peats Ferry Rd, Hornsby NSW, Australia · +61480495496ABC Pest Control HornsbyHornsby · 02 8318 4040 Common questionsWhat is the postcode for Hornsby?Hornsby, NSW has the postcode 2077.What state is Hornsby in?Hornsby is in New South Wales (NSW).Does postcode 2077 cover more than one suburb?Yes. Postcode 2077 covers 4 localities, so the postcode alone does not identify Hornsby. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.