Average GPS coordinates for Duffys Forest Postcode location: -33.675, 151.203. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Duffys Forest on map:

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Listing cities & postcodes (1):
>> New South Wales, 2084 Duffys Forest, WARRINGAH, GPS coordinates: -33.6745,151.2033