Prosečne GPS koordinate za poštanski broj 630-814: 35.248, 128.585

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Spisak gradova:
>> Hapseong 1(il)-dong/합성1동 630-814, Gyeongsangnam-do/경남, Masan-si/마산시, 1-75/1-75, GPS koordinate: 35.24825,128.58482
>> Hapseong 1(il)-dong/합성1동 630-814, Gyeongsangnam-do/경남, Masan-si/마산시, 120-123/120-123, GPS koordinate: 35.24828,128.58485
>> Hapseong 1(il)-dong/합성1동 630-814, Gyeongsangnam-do/경남, Masan-si/마산시, 129-130/129-130, GPS koordinate: 35.24823,128.5848
>> Hapseong 1(il)-dong/합성1동 630-814, Gyeongsangnam-do/경남, Masan-si/마산시, 400-499/400-499, GPS koordinate: 35.24824,128.58481