Average GPS coordinates for Illawong Postcode location: -34, 151.033. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Illawong on map:

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Listing cities & postcodes (1):
>> New South Wales, 2234 Illawong, ILLAWARRA, GPS coordinates: -34,151.0333