Average GPS coordinates for Willaston Postcode location: -34.583, 138.75. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Willaston on map:

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Listing cities & postcodes (1):
>> South Australia, 5118 Willaston, SA SUBS NEAR 1, GPS coordinates: -34.5833,138.75