Prosečne GPS koordinate za poštanski broj 630-823: 35.219, 128.559

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Spisak gradova:
>> Hoewon 2(i)-dong/회원2동 630-823, Gyeongsangnam-do/경남, Masan-si/마산시, 580-624/580-624, GPS koordinate: 35.21924,128.55913
>> Hoewon 2(i)-dong/회원2동 630-823, Gyeongsangnam-do/경남, Masan-si/마산시, 639-660/639-660, GPS koordinate: 35.21936,128.55925
>> Hoewon 2(i)-dong/회원2동 630-823, Gyeongsangnam-do/경남, Masan-si/마산시, 700-1000/700-1000, GPS koordinate: 35.21934,128.55923
>> Hoewon 2(i)-dong/회원2동 630-823, Gyeongsangnam-do/경남, Masan-si/마산시, San 62/산62, GPS koordinate: 35.21929,128.55918