Average GPS coordinates for Oosaki Postcode location: 37.602, 138.82. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Oosaki on map:

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Listing cities & postcodes (4):
>> Niigataken, 949-4204 Oosaki, Kariwagunnishiyamamachi, GPS coordinates: 37.4971,138.6407
>> Niigataken, 949-7251 Oosaki, Minamiuonumagunyamatomachi, GPS coordinates: 37.1319,138.9442
>> Niigataken, 952-0502 Oosaki, Sadogunhamochimachi, GPS coordinates: 37.8759,138.3385
>> Niigataken, 957-0043 Oosaki, Shibatashi, GPS coordinates: 37.9027,139.3551