Prosečne GPS koordinate za poštanski broj 630-855: 35.267, 128.498

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Spisak gradova:
>> Naeseo-eup/내서읍 630-855, Gyeongsangnam-do/경남, Masan-si/마산시, Jugamri/상동리, GPS koordinate: 35.26684,128.49817
>> Naeseo-eup/내서읍 630-855, Gyeongsangnam-do/경남, Masan-si/마산시, Sangdongri/수곡리, GPS koordinate: 35.2668,128.49813
>> Naeseo-eup/내서읍 630-855, Gyeongsangnam-do/경남, Masan-si/마산시, Sugokri/용담리, GPS koordinate: 35.2668,128.49813
>> Naeseo-eup/내서읍 630-855, Gyeongsangnam-do/경남, Masan-si/마산시, Yongdamri/죽암리, GPS koordinate: 35.26674,128.49807