Prosečne GPS koordinate za poštanski broj 690-820: 33.505, 126.514
Spisak gradova:
>> Yongdam 1(il)-dong/용담1동 690-820, Jeju-do/제주, Jeju-si/제주시, 236-253/236-253, GPS koordinate: 33.50537,126.51414
>> Yongdam 1(il)-dong/용담1동 690-820, Jeju-do/제주, Jeju-si/제주시, 2646-2651/2646-2651, GPS koordinate: 33.5054,126.51417
Spisak gradova:
>> Yongdam 1(il)-dong/용담1동 690-820, Jeju-do/제주, Jeju-si/제주시, 236-253/236-253, GPS koordinate: 33.50537,126.51414
>> Yongdam 1(il)-dong/용담1동 690-820, Jeju-do/제주, Jeju-si/제주시, 2646-2651/2646-2651, GPS koordinate: 33.5054,126.51417