Gjennomsnittlig GPS-koordinater for postnummer 357-912: 36.837, 126.209

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Notering byer:
>> Wonbuk-myeon/원북면 357-912, Chungcheongnam-do/충남, Taean-gun/태안군, Donghaeri/동해리, GPS-koordinater: 36.83662,126.20876
>> Wonbuk-myeon/원북면 357-912, Chungcheongnam-do/충남, Taean-gun/태안군, Igog ri 1/신두리, GPS-koordinater: 36.83664,126.20878
>> Wonbuk-myeon/원북면 357-912, Chungcheongnam-do/충남, Taean-gun/태안군, Igokri/이곡1리, GPS-koordinater: 36.83662,126.20876
>> Wonbuk-myeon/원북면 357-912, Chungcheongnam-do/충남, Taean-gun/태안군, Sinduri/이곡리, GPS-koordinater: 36.8367,126.20884