Average GPS coordinates for Na Sầm Postcode location: 22.054, 106.615. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Na Sầm on map:

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Listing cities & postcodes (1):
>> Lạng Sơn, 240000 Na Sầm, Đông Bắc, GPS coordinates: 22.05418,106.61538