Average GPS coordinates for Windsor Postcode location: -33.501, 150.882. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Windsor on map:

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Listing cities & postcodes (1):
>> New South Wales, 2756 Windsor, PENRITH, GPS coordinates: -33.5006,150.8816