Average GPS coordinates for Shinkawa Postcode location: 36.05, 139.6. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Shinkawa on map:

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Listing cities & postcodes (2):
>> Saitamaken, 344-0003 Shinkawa, Kasukabeshi, GPS coordinates: 35.9879,139.7802
>> Saitamaken, 360-0027 Shinkawa, Kumagayashi, GPS coordinates: 36.113,139.42