Gjennomsnittlig GPS-koordinater for postnummer 121-0807: 35.8, 139.788
Notering byer:
>> Ikouhonchou 121-0807, Toukyouto, Adachiku, GPS-koordinater: 35.7998,139.7878
Notering byer:
>> Ikouhonchou 121-0807, Toukyouto, Adachiku, GPS-koordinater: 35.7998,139.7878