Average GPS coordinates for Okanomachi Postcode location: 37.321, 138.673. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Okanomachi on map:

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Listing cities & postcodes (3):
>> Niigataken, 943-0501 Okanomachi, Nakakubikigunkiyosatomura, GPS coordinates: 37.0817,138.3313
>> Niigataken, 945-1502 Okanomachi, Kariwaguntakayanagimachi, GPS coordinates: 37.2236,138.6384
>> Niigataken, 959-1377 Okanomachi, Kamoshi, GPS coordinates: 37.6571,139.049