Average GPS coordinates for Hongou Postcode location: 36.272, 139.021. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Hongou on map:

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Listing cities & postcodes (3):
>> Gunmaken, 370-2128 Hongou, Tanogunyoshiimachi, GPS coordinates: 36.2597,138.9733
>> Gunmaken, 370-3334 Hongou, Gunmagunharunamachi, GPS coordinates: 36.3293,139.014
>> Gunmaken, 375-0023 Hongou, Fujiokashi, GPS coordinates: 36.2276,139.075