Average GPS coordinates for Greenlands Postcode location: -34.661, 150.125. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Greenlands on map:

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Listing cities & postcodes (2):
>> New South Wales, 2330 Greenlands, HUNTER, GPS coordinates: -32.6993,150.95
>> New South Wales, 2631 Greenlands, GPS coordinates: -36.6223,149.3001