Prosečne GPS koordinate za poštanski broj 690-831: 33.503, 126.549
Spisak gradova:
>> Ildo 2(i)-dong/일도2동 690-831, Jeju-do/제주, Jeju-si/제주시, 54-129/54-129, GPS koordinate: 33.50257,126.54859
Spisak gradova:
>> Ildo 2(i)-dong/일도2동 690-831, Jeju-do/제주, Jeju-si/제주시, 54-129/54-129, GPS koordinate: 33.50257,126.54859