Prosečne GPS koordinate za poštanski broj 486-831: 38.144, 127.158

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Spisak gradova:
>> Sinseo-myeon/신서면 486-831, Gyeonggi-do/경기, Yeoncheon-gun/연천군, Dosin ri 3/내산리, GPS koordinate: 38.14357,127.15797
>> Sinseo-myeon/신서면 486-831, Gyeonggi-do/경기, Yeoncheon-gun/연천군, Naesanri/도신3리, GPS koordinate: 38.14362,127.15802