Prosečne GPS koordinate za poštanski broj 690-784: 33.508, 126.526
Spisak gradova:
>> Ido 1(il)-dong/이도1동 690-784, Jeju-do/제주, Jeju-si/제주시, Jungangjihasangga/중앙지하상가, GPS koordinate: 33.50837,126.52553
Spisak gradova:
>> Ido 1(il)-dong/이도1동 690-784, Jeju-do/제주, Jeju-si/제주시, Jungangjihasangga/중앙지하상가, GPS koordinate: 33.50837,126.52553