Gjennomsnittlig GPS-koordinater for postnummer 377-0807: 36.547, 138.875
Notering byer:
>> Izumisawa(Sonota) 377-0807, Gunmaken, Agatsumagun'Agatsumamachi, GPS-koordinater: 36.5473,138.8748
Notering byer:
>> Izumisawa(Sonota) 377-0807, Gunmaken, Agatsumagun'Agatsumamachi, GPS-koordinater: 36.5473,138.8748