Average GPS coordinates for Koyamadai Postcode location: 35.624, 139.705. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Koyamadai on map:

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Listing cities & postcodes (1):
>> Toukyouto, 142-0061 Koyamadai, Shinagawaku, GPS coordinates: 35.6236,139.7052