Prosečne GPS koordinate za poštanski broj 630-805: 35.229, 128.57

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Spisak gradova:
>> Seokjeon 1(il)-dong/석전1동 630-805, Gyeongsangnam-do/경남, Masan-si/마산시, 1-94/1-94, GPS koordinate: 35.22868,128.57031
>> Seokjeon 1(il)-dong/석전1동 630-805, Gyeongsangnam-do/경남, Masan-si/마산시, 123-162/123-162, GPS koordinate: 35.22879,128.57042
>> Seokjeon 1(il)-dong/석전1동 630-805, Gyeongsangnam-do/경남, Masan-si/마산시, 260-276/260-276, GPS koordinate: 35.22865,128.57028