Prosečne GPS koordinate za poštanski broj 630-774: 35.224, 128.506

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Spisak gradova:
>> Naeseo-eup/내서읍 630-774, Gyeongsangnam-do/경남, Masan-si/마산시, Samgye 6 jugongsupsokmaeurapateu 601-612/삼계6주공숲속마을아파트 601-612, GPS koordinate: 35.22401,128.50602