Prosečne GPS koordinate za poštanski broj 630-851: 35.199, 128.511

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Spisak gradova:
>> Naeseo-eup/내서읍 630-851, Gyeongsangnam-do/경남, Masan-si/마산시, Angyeri/감천리, GPS koordinate: 35.19854,128.51122
>> Naeseo-eup/내서읍 630-851, Gyeongsangnam-do/경남, Masan-si/마산시, Gamcheonri/신감리, GPS koordinate: 35.19859,128.51127
>> Naeseo-eup/내서읍 630-851, Gyeongsangnam-do/경남, Masan-si/마산시, Jeonanri/신목리, GPS koordinate: 35.19862,128.5113
>> Naeseo-eup/내서읍 630-851, Gyeongsangnam-do/경남, Masan-si/마산시, Singamri/안계리, GPS koordinate: 35.19865,128.51133
>> Naeseo-eup/내서읍 630-851, Gyeongsangnam-do/경남, Masan-si/마산시, Sinmokri/전안리, GPS koordinate: 35.19866,128.51134