Average GPS coordinates for Ogawa Postcode location: 37.689, 138.883. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ogawa on map:

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Listing cities & postcodes (5):
>> Niigataken, 943-0648 Ogawa, Higashikubikigunmakimura, GPS coordinates: 37.0768,138.3963
>> Niigataken, 949-6745 Ogawa, Minamiuonumagunmuikamachi, GPS coordinates: 37.0563,138.9679
>> Niigataken, 952-2136 Ogawa, Sadogun'Aikawamachi, GPS coordinates: 38.0594,138.237
>> Niigataken, 957-0224 Ogawa, Kitakanbaragunshiunjimachi, GPS coordinates: 38.004,139.3127
>> Niigataken, 958-0268 Ogawa, Iwafunegun'Asahimura, GPS coordinates: 38.2477,139.5027