Average GPS coordinates for Rockbank Postcode location: -37.734, 144.67. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Rockbank on map:

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Listing cities & postcodes (1):
>> Victoria, 3335 Rockbank, MELB NORTH WEST, GPS coordinates: -37.7335,144.67