Prosečne GPS koordinate za poštanski broj 421-812: 37.513, 126.798

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Spisak gradova:
>> Yeowol-dong/여월동 421-812, Gyeonggi-do/경기, Ojeong-gu Bucheon-si/부천시 오정구, 10-80/10-80, GPS koordinate: 37.51322,126.79814
>> Yeowol-dong/여월동 421-812, Gyeonggi-do/경기, Ojeong-gu Bucheon-si/부천시 오정구, San 2-78/산2-78, GPS koordinate: 37.51322,126.79814