Average GPS coordinates for Kouyou Postcode location: 35.04, 136.915. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Kouyou on map:

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Listing cities & postcodes (3):
>> Aichiken, 455-0013 Kouyou, Nagoyashiminatoku, GPS coordinates: 35.1007,136.8882
>> Aichiken, 464-0061 Kouyou, Nagoyashichikusaku, GPS coordinates: 35.1704,136.9472
>> Aichiken, 470-2357 Kouyou, Chitaguntaketoyochou, GPS coordinates: 34.8478,136.9107