Average GPS coordinates for Yamada Postcode location: 31.933, 131.195. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Yamada on map:

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Listing cities & postcodes (2):
>> Miyazakiken, 881-0112 Yamada, Saitoshi, GPS coordinates: 32.0438,131.35
>> Miyazakiken, 889-4601 Yamada, Kitamorokatagunyamadachou, GPS coordinates: 31.8227,131.0395