Prosečne GPS koordinate za poštanski broj 637-803: 35.275, 128.406

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Spisak gradova:
>> Gaya-eup/가야읍 637-803, Gyeongsangnam-do/경남, Haman-gun/함안군, Dohangri/도항리, GPS koordinate: 35.27543,128.40606
>> Gaya-eup/가야읍 637-803, Gyeongsangnam-do/경남, Haman-gun/함안군, Sineumri/신음리, GPS koordinate: 35.27547,128.4061