Prosečne GPS koordinate za poštanski broj 630-650: 35.197, 128.568
Spisak gradova:
>> Masansuchuljiyeogucheguksaseoham/마산수출지역우체국사서함 630-650, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19676,128.56796
Spisak gradova:
>> Masansuchuljiyeogucheguksaseoham/마산수출지역우체국사서함 630-650, Gyeongsangnam-do/경남, Masan-si/마산시, GPS koordinate: 35.19676,128.56796