Gjennomsnittlig GPS-koordinater for postnummer 399-2100: 35.397, 137.786
Notering byer:
>> Ikanikeisaiganaibaai 399-2100, Naganoken, Shimoinagunshimojoumura, GPS-koordinater: 35.3968,137.7864
Notering byer:
>> Ikanikeisaiganaibaai 399-2100, Naganoken, Shimoinagunshimojoumura, GPS-koordinater: 35.3968,137.7864