Gjennomsnittlig GPS-koordinater for postnummer 311-0104: 36.455, 140.519
Notering byer:
>> Tsutsumi 311-0104, Ibarakiken, Nakagunnakamachi, GPS-koordinater: 36.4554,140.5188
Notering byer:
>> Tsutsumi 311-0104, Ibarakiken, Nakagunnakamachi, GPS-koordinater: 36.4554,140.5188