Prosečne GPS koordinate za poštanski broj 630-717: 35.219, 128.606
Spisak gradova:
>> Bongam-dong/봉암동 630-717, Gyeongsangnam-do/경남, Masan-si/마산시, Masansigyoyukcheong/마산시교육청, GPS koordinate: 35.21939,128.60583
Spisak gradova:
>> Bongam-dong/봉암동 630-717, Gyeongsangnam-do/경남, Masan-si/마산시, Masansigyoyukcheong/마산시교육청, GPS koordinate: 35.21939,128.60583