Prosečne GPS koordinate za poštanski broj 421-817: 37.533, 126.802

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Spisak gradova:
>> Wonjong 1(il)-dong/원종1동 421-817, Gyeonggi-do/경기, Ojeong-gu Bucheon-si/부천시 오정구, 1-119/1-119, GPS koordinate: 37.53291,126.8021
>> Wonjong 1(il)-dong/원종1동 421-817, Gyeonggi-do/경기, Ojeong-gu Bucheon-si/부천시 오정구, 170-197/170-197, GPS koordinate: 37.5329,126.80209