Gjennomsnittlig GPS-koordinater for postnummer 345-812: 36.443, 126.959

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Notering byer:
>> Jeongsan-myeon/정산면 345-812, Chungcheongnam-do/충남, Cheongyang-gun/청양군, Daebakri/남천리, GPS-koordinater: 36.44331,126.95942
>> Jeongsan-myeon/정산면 345-812, Chungcheongnam-do/충남, Cheongyang-gun/청양군, Haenamri/대박리, GPS-koordinater: 36.44337,126.95948
>> Jeongsan-myeon/정산면 345-812, Chungcheongnam-do/충남, Cheongyang-gun/청양군, Namcheonri/송학리, GPS-koordinater: 36.44337,126.95948
>> Jeongsan-myeon/정산면 345-812, Chungcheongnam-do/충남, Cheongyang-gun/청양군, Songhakri/해남리, GPS-koordinater: 36.44344,126.95955