Prosečne GPS koordinate za poštanski broj 681-788: 35.579, 129.31
Spisak gradova:
>> Seongan-dong/성안동 681-788, Ulsan/울산, Jung-gu/중구, Ulsanjibanggyeongchalcheong/울산지방경찰청, GPS koordinate: 35.57945,129.31023
Spisak gradova:
>> Seongan-dong/성안동 681-788, Ulsan/울산, Jung-gu/중구, Ulsanjibanggyeongchalcheong/울산지방경찰청, GPS koordinate: 35.57945,129.31023