Average GPS coordinates for Gravesend Postcode location: -29.638, 150.316. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Gravesend on map:

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Listing cities & postcodes (1):
>> New South Wales, 2401 Gravesend, NSW NORTH COAST, GPS coordinates: -29.6377,150.3158