Prosečne GPS koordinate za poštanski broj 637-812: 35.239, 128.427

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Spisak gradova:
>> Haman-myeon/함안면 637-812, Gyeongsangnam-do/경남, Haman-gun/함안군, Bongseongri/괴산리, GPS koordinate: 35.23947,128.42716
>> Haman-myeon/함안면 637-812, Gyeongsangnam-do/경남, Haman-gun/함안군, Bukchonri/대산리, GPS koordinate: 35.23941,128.4271
>> Haman-myeon/함안면 637-812, Gyeongsangnam-do/경남, Haman-gun/함안군, Daesanri/봉성리, GPS koordinate: 35.23951,128.4272
>> Haman-myeon/함안면 637-812, Gyeongsangnam-do/경남, Haman-gun/함안군, Goesanri/북촌리, GPS koordinate: 35.23952,128.42721