Home Postcodes by state NSW Castle Hill Castle Hill postcode NSW Castle Hill is a locality in New South Wales covered by postcode 2154. Postcode 2154 State or territory New South Wales (NSW) Region Seven Hills Council area Mainly The Hills, partly Hornsby Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Castle Hill business listing More business listings in Castle Hill Suburbs near Castle HillStraight-line distance between locality centres.Baulkham HillsNSW 2153 · 3.3 kmGlenhavenNSW 2156 · 3.4 kmCherrybrookNSW 2126 · 3.8 kmWest Pennant HillsNSW 2125 · 4.3 kmBella VistaNSW 2153 · 4.4 kmNorth RocksNSW 2151 · 4.5 kmKellyvilleNSW 2155 · 5.0 kmWinston HillsNSW 2153 · 5.5 kmBeecroftNSW 2119 · 5.9 kmWestleighNSW 2120 · 6.1 kmPennant HillsNSW 2120 · 6.2 kmKingsdeneNSW 2118 · 6.3 kmDistances to every suburb around Castle Hill Businesses in Castle Hill246 Asbestos ConsultingCastle Hill · 61400195967360 Action Park18 Anella Ave, Castle Hill NSW, Australia · +61 477 040 022A Class AutomotiveD3 2A Victoria Avenue · (029) 634-5024 Other places called Castle HillCastle HillQLD 4810 Common questionsWhat is the postcode for Castle Hill?Castle Hill, NSW has the postcode 2154.What state is Castle Hill in?Castle Hill is in New South Wales (NSW).What council is Castle Hill in?Castle Hill is mainly in The Hills, with part of it in Hornsby.Does postcode 2154 cover more than one suburb?No. Postcode 2154 covers Castle Hill only, which is unusual - most Australian postcodes cover several localities.What suburbs are near Castle Hill?The closest are Baulkham Hills (3.3 km), Glenhaven (3.4 km), Cherrybrook (3.8 km), West Pennant Hills (4.3 km) and Bella Vista (4.4 km). Distances are straight lines between locality centres. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.