Keskimääräinen GPS-koordinaatit postinumero 331-933: 36.723, 128.924

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Listatut kaupungit:
>> Seongjeong 1(il)-dong/성정1동 331-933, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, 300-304/300-304, GPS-koordinaatit: 36.72275,128.92405
>> Seongjeong 1(il)-dong/성정1동 331-933, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, 307-329/307-329, GPS-koordinaatit: 36.72263,128.92393
>> Seongjeong 1(il)-dong/성정1동 331-933, Chungcheongnam-do/충남, Seobuk-gu Cheonan-si/천안시 서북구, 607-609/607-609, GPS-koordinaatit: 36.72266,128.92396