Gjennomsnittlig GPS-koordinater for postnummer 356-823: 36.717, 126.507

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Notering byer:
>> Haemi-myeon/해미면 356-823, Chungcheongnam-do/충남, Seosan-si/서산시, Eungpyeongri/기지리, GPS-koordinater: 36.71747,126.50675
>> Haemi-myeon/해미면 356-823, Chungcheongnam-do/충남, Seosan-si/서산시, Gijiri/양림리, GPS-koordinater: 36.71753,126.50681
>> Haemi-myeon/해미면 356-823, Chungcheongnam-do/충남, Seosan-si/서산시, Jeoseongri/응평리, GPS-koordinater: 36.71746,126.50674
>> Haemi-myeon/해미면 356-823, Chungcheongnam-do/충남, Seosan-si/서산시, Josanri/저성리, GPS-koordinater: 36.71747,126.50675
>> Haemi-myeon/해미면 356-823, Chungcheongnam-do/충남, Seosan-si/서산시, Yangrimri/조산리, GPS-koordinater: 36.71747,126.50675