Average GPS coordinates for Sannai Postcode location: 35.735, 139.231. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Sannai on map:

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Listing cities & postcodes (1):
>> Toukyouto, 190-0162 Sannai, Akirunoshi, GPS coordinates: 35.7345,139.2307