Home Postcodes by state NSW Castlereagh Castlereagh postcode NSW Castlereagh is a locality in New South Wales covered by postcode 2749. Postcode 2749 State or territory New South Wales (NSW) Region Nepean Council area Penrith Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Castlereagh business listing More business listings in Castlereagh Suburbs near CastlereaghStraight-line distance between locality centres.Hawkesbury HeightsNSW 2777 · 2.3 kmYellow RockNSW 2777 · 4.7 kmYarramundiNSW 2753 · 5.6 kmCranebrookNSW 2749 · 5.9 kmLondonderryNSW 2753 · 6.1 kmWinmaleeNSW 2777 · 6.2 kmAgnes BanksNSW 2753 · 7.1 kmEmu HeightsNSW 2750 · 7.7 kmMount RiverviewNSW 2774 · 8.2 kmLlandiloNSW 2747 · 8.2 kmCambridge GardensNSW 2747 · 8.8 kmGrose WoldNSW 2753 · 8.9 kmDistances to every suburb around Castlereagh Businesses in CastlereaghBlack N White Catering119 Devlin Road · 04 0702 9551Castlereagh Public School87-101 Post Office Rd · 02 47761197The Lakes Christian College206 East Wilchard Rd · 02 47774057 Also in postcode 2749CranebrookNSW 2749 Common questionsWhat is the postcode for Castlereagh?Castlereagh, NSW has the postcode 2749.What state is Castlereagh in?Castlereagh is in New South Wales (NSW).What council is Castlereagh in?Castlereagh is in the Penrith local government area.Does postcode 2749 cover more than one suburb?Yes. Postcode 2749 covers 2 localities, so the postcode alone does not identify Castlereagh.What suburbs are near Castlereagh?The closest are Hawkesbury Heights (2.3 km), Yellow Rock (4.7 km), Yarramundi (5.6 km), Cranebrook (5.9 km) and Londonderry (6.1 km). Distances are straight lines between locality centres. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.