Average GPS coordinates for Wiang Sa Postcode location: 18.567, 100.75. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Wiang Sa on map:

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Listing cities & postcodes (1):
>> Nan, 55110 Wiang Sa, GPS coordinates: 18.5667,100.75