Average GPS coordinates for Higashinaka Postcode location: 37.314, 138.61. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Higashinaka on map:

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Listing cities & postcodes (3):
>> Niigataken, 946-0113 Higashinaka, Kitauonumagunhirokamimura, GPS coordinates: 37.2613,138.9645
>> Niigataken, 949-0531 Higashinaka, Itoigawashi, GPS coordinates: 36.9675,137.8866
>> Niigataken, 950-1331 Higashinaka, Nishikanbaragunnakanokuchimura, GPS coordinates: 37.7132,138.9785