Average GPS coordinates for Trigwell Postcode location: -33.71, 116.636. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Trigwell on map:

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Listing cities & postcodes (2):
>> Western Australia, 6244 Trigwell, GPS coordinates: -33.9035,116.5476
>> Western Australia, 6393 Trigwell, KALGOORLIE, GPS coordinates: -33.5167,116.725