Prosečne GPS koordinate za poštanski broj 990-0511: 38.408, 140.249
Spisak gradova:
>> Jionji 990-0511, Yamagataken, Sagaeshi, GPS koordinate: 38.4084,140.2491
Spisak gradova:
>> Jionji 990-0511, Yamagataken, Sagaeshi, GPS koordinate: 38.4084,140.2491