castlecrag postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Castlecrag Castlecrag local listingsThe suburb of Castlecrag is located in NSW and has a postcode of 2068. Free castlecrag business listing! 1Glenaeon Rudolf Steiner School117 Edinburgh Rd 02 995807742KU Castlecrag PreschoolThe Rampart 02 9958 5393 View more business listings in castlecrag Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.