Gjennomsnittlig GPS-koordinater for postnummer 350-863: 36.549, 126.507

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Notering byer:
>> Seobu-myeon/서부면 350-863, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Jungri/신리, GPS-koordinater: 36.54869,126.50679
>> Seobu-myeon/서부면 350-863, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Pangyori/양곡리, GPS-koordinater: 36.54868,126.50678
>> Seobu-myeon/서부면 350-863, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Sinri/중리, GPS-koordinater: 36.54865,126.50675
>> Seobu-myeon/서부면 350-863, Chungcheongnam-do/충남, Hongseong-gun/홍성군, Yanggokri/판교리, GPS-koordinater: 36.54866,126.50676