Prosečne GPS koordinate za poštanski broj 690-778: 33.511, 126.538
Spisak gradova:
>> Ildo 2(i)-dong/일도2동 690-778, Jeju-do/제주, Jeju-si/제주시, Useongapateu/우성아파트, GPS koordinate: 33.51145,126.5383
Spisak gradova:
>> Ildo 2(i)-dong/일도2동 690-778, Jeju-do/제주, Jeju-si/제주시, Useongapateu/우성아파트, GPS koordinate: 33.51145,126.5383