Average GPS coordinates for Ookubo Postcode location: 35.115, 136.285. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Ookubo on map:

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Listing cities & postcodes (3):
>> Shigaken, 520-3414 Ookubo, Koukagunkoukachou, GPS coordinates: 34.9072,136.2343
>> Shigaken, 521-0307 Ookubo, Sakatagun'Ibukichou, GPS coordinates: 35.4244,136.3732
>> Shigaken, 529-1603 Ookubo, Gamougunhinochou, GPS coordinates: 35.0125,136.2482