Average GPS coordinates for Deyu Postcode location: 37.818, 139.298. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Deyu on map:

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Listing cities & postcodes (1):
>> Niigataken, 959-1926 Deyu, Kitakanbaragunsasakamimura, GPS coordinates: 37.8182,139.298