Average GPS coordinates for St Marys East Postcode location: -33.759, 150.788. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). St Marys East on map:

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Listing cities & postcodes (1):
>> New South Wales, 2760 St Marys East, GPS coordinates: -33.7593,150.7883