Average GPS coordinates for Ngọc Khê Postcode location: 22.9, 106.56. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ngọc Khê on map:

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Listing cities & postcodes (1):
>> Cao Bằng, 270000 Ngọc Khê, Đông Bắc, GPS coordinates: 22.89991,106.56031