Average GPS coordinates for Sasaki Postcode location: 38.039, 139.359. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Sasaki on map:

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Listing cities & postcodes (2):
>> Niigataken, 957-0082 Sasaki, Shibatashi, GPS coordinates: 37.9508,139.2583
>> Niigataken, 959-3121 Sasaki, Iwafunegun'Arakawamachi, GPS coordinates: 38.1268,139.4593