Gjennomsnittlig GPS-koordinater for postnummer 389-2231: 36.862, 138.393
Notering byer:
>> Tenshindou 389-2231, Naganoken, Iiyamashi, GPS-koordinater: 36.8622,138.3928
Notering byer:
>> Tenshindou 389-2231, Naganoken, Iiyamashi, GPS-koordinater: 36.8622,138.3928