Average GPS coordinates for Wollongong Postcode location: -34.424, 150.893. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Wollongong on map:

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Listing cities & postcodes (2):
>> New South Wales, 2500 Wollongong, ILLAWARRA, GPS coordinates: -34.424,150.8934
>> New South Wales, 2520 Wollongong, ILLAWARRA, GPS coordinates: -34.424,150.8934