Average GPS coordinates for Castlecrag Postcode location: -33.8, 151.217. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Castlecrag on map:

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Listing cities & postcodes (1):
>> New South Wales, 2068 Castlecrag, CHATSWOOD, GPS coordinates: -33.8,151.2167