Prosečne GPS koordinate za poštanski broj 637-841: 35.301, 128.438

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Spisak gradova:
>> Sanin-myeon/산인면 637-841, Gyeongsangnam-do/경남, Haman-gun/함안군, Bubongri/내인리, GPS koordinate: 35.30115,128.43765
>> Sanin-myeon/산인면 637-841, Gyeongsangnam-do/경남, Haman-gun/함안군, Naeinri/부봉리, GPS koordinate: 35.3011,128.4376
>> Sanin-myeon/산인면 637-841, Gyeongsangnam-do/경남, Haman-gun/함안군, Songjeongri/송정리, GPS koordinate: 35.30123,128.43773
>> Sanin-myeon/산인면 637-841, Gyeongsangnam-do/경남, Haman-gun/함안군, Ungokri/운곡리, GPS koordinate: 35.30116,128.43766