Prosečne GPS koordinate za poštanski broj 308-0821: 36.306, 139.995
Spisak gradova:
>> Narita 308-0821, Ibarakiken, Shimodateshi, GPS koordinate: 36.3064,139.9949
Spisak gradova:
>> Narita 308-0821, Ibarakiken, Shimodateshi, GPS koordinate: 36.3064,139.9949