Average GPS coordinates for Shimada Postcode location: 37.53, 138.832. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Shimada on map:

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Listing cities & postcodes (5):
>> Niigataken, 940-0141 Shimada, Tochioshi, GPS coordinates: 37.5405,138.8442
>> Niigataken, 943-0853 Shimada, Jouetsushi, GPS coordinates: 37.0819,138.2745
>> Niigataken, 954-0155 Shimada, Minamikanbaragunnakanoshimamachi, GPS coordinates: 37.5405,138.8442
>> Niigataken, 955-0842 Shimada, Sanjoushi, GPS coordinates: 37.6274,138.9462
>> Niigataken, 959-1965 Shimada, Kitakanbaragunsasakamimura, GPS coordinates: 37.8579,139.253