Keskimääräinen GPS-koordinaatit postinumero 487-921: 37.989, 127.179

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Listatut kaupungit:
>> Changsu-myeon/창수면 487-921, Gyeonggi-do/경기, Pocheon-si/포천시, Chudongri/가양리, GPS-koordinaatit: 37.9893,127.17945
>> Changsu-myeon/창수면 487-921, Gyeonggi-do/경기, Pocheon-si/포천시, Gayangri/주원1리, GPS-koordinaatit: 37.98934,127.17949
>> Changsu-myeon/창수면 487-921, Gyeonggi-do/경기, Pocheon-si/포천시, Juwon ri 1/주원2리, GPS-koordinaatit: 37.98933,127.17948
>> Changsu-myeon/창수면 487-921, Gyeonggi-do/경기, Pocheon-si/포천시, Juwon ri 2/주원리, GPS-koordinaatit: 37.98931,127.17946
>> Changsu-myeon/창수면 487-921, Gyeonggi-do/경기, Pocheon-si/포천시, Juwonri/추동리, GPS-koordinaatit: 37.98932,127.17947