Average GPS coordinates for Na Mun Postcode location: 18.183, 100.667. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Na Mun on map:

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Listing cities & postcodes (1):
>> Nan, 55180 Na Mun, GPS coordinates: 18.1833,100.6667