Prosečne GPS koordinate za poštanski broj 690-710: 35.644, 126.785
Spisak gradova:
>> Samdo 1(il)-dong/삼도1동 690-710, Jeju-do/제주, Jeju-si/제주시, Nonghyeopjunganghoejejujiyeokbonbu/농협중앙회제주지역본부, GPS koordinate: 35.64436,126.78466
Spisak gradova:
>> Samdo 1(il)-dong/삼도1동 690-710, Jeju-do/제주, Jeju-si/제주시, Nonghyeopjunganghoejejujiyeokbonbu/농협중앙회제주지역본부, GPS koordinate: 35.64436,126.78466