Home Postcodes by state NSW Thornleigh Thornleigh postcode NSW Thornleigh is a locality in New South Wales covered by postcode 2120. Postcode 2120 State or territory New South Wales (NSW) Region Pymble Council area Hornsby Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Thornleigh business listing More business listings in Thornleigh Suburbs near ThornleighStraight-line distance between locality centres.Pennant HillsNSW 2120 · 0.9 kmWestleighNSW 2120 · 1.6 kmNormanhurstNSW 2076 · 2.1 kmBeecroftNSW 2119 · 2.3 kmCheltenhamNSW 2119 · 2.8 kmWest Pennant HillsNSW 2125 · 3.1 kmNorth EppingNSW 2121 · 3.2 kmWaitaraNSW 2077 · 3.4 kmCherrybrookNSW 2126 · 3.4 kmSouth TurramurraNSW 2074 · 3.7 kmHornsbyNSW 2077 · 3.8 kmWahroongaNSW 2076 · 3.9 kmDistances to every suburb around Thornleigh Businesses in ThornleighAction Indoor Sports17 Sefton Road · (02) 9875 2144Allwood Stairs3/8 Pioneer Ave, Thornleigh NSW 2120, Australia · 0294844004Buffalo Security14A Railway Parade, Thornleigh New South Wales 2120, Australia · 0298090204 Also in postcode 2120Pennant HillsNSW 2120WestleighNSW 2120 Common questionsWhat is the postcode for Thornleigh?Thornleigh, NSW has the postcode 2120.What state is Thornleigh in?Thornleigh is in New South Wales (NSW).What council is Thornleigh in?Thornleigh is in the Hornsby local government area.Does postcode 2120 cover more than one suburb?Yes. Postcode 2120 covers 3 localities, so the postcode alone does not identify Thornleigh.What suburbs are near Thornleigh?The closest are Pennant Hills (0.9 km), Westleigh (1.6 km), Normanhurst (2.1 km), Beecroft (2.3 km) and Cheltenham (2.8 km). Distances are straight lines between locality centres. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.