Average GPS coordinates for Blackheath Postcode location: -36.467, 142.25. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Blackheath on map:

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Listing cities & postcodes (1):
>> Victoria, 3401 Blackheath, GPS coordinates: -36.4667,142.25