Average GPS coordinates for Kupang Postcode location: 5.682, 100.758. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Kupang on map:

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Listing cities & postcodes (1):
>> Kedah, 09200 Kupang, GPS coordinates: 5.6818,100.758