Average GPS coordinates for Gunnedah Postcode location: -30.981, 150.258. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Gunnedah on map:

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Listing cities & postcodes (1):
>> New South Wales, 2380 Gunnedah, NSW NORTH COAST, GPS coordinates: -30.9806,150.2584