Prosečne GPS koordinate za poštanski broj 690-823: 33.51, 126.499

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Spisak gradova:
>> Yongdam 2(i)-dong/용담2동 690-823, Jeju-do/제주, Jeju-si/제주시, 1646-1667/1646-1667, GPS koordinate: 33.51023,126.49861
>> Yongdam 2(i)-dong/용담2동 690-823, Jeju-do/제주, Jeju-si/제주시, 2000-2609/2000-2609, GPS koordinate: 33.51027,126.49865
>> Yongdam 2(i)-dong/용담2동 690-823, Jeju-do/제주, Jeju-si/제주시, 684-744/684-744, GPS koordinate: 33.51029,126.49867