Prosečne GPS koordinate za poštanski broj 690-240: 33.502, 126.474
Spisak gradova:
>> Dodu-dong/도두동 690-240, Jeju-do/제주, Jeju-si/제주시, GPS koordinate: 33.50214,126.4743
Spisak gradova:
>> Dodu-dong/도두동 690-240, Jeju-do/제주, Jeju-si/제주시, GPS koordinate: 33.50214,126.4743