Keskimääräinen GPS-koordinaatit postinumero 417-802: 37.747, 126.509

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Listatut kaupungit:
>> Ganghwa-eup/강화읍 417-802, Incheon/인천, Ganghwa-gun/강화군, Gwancheong ri 1/관청1리, GPS-koordinaatit: 37.74722,126.5095
>> Ganghwa-eup/강화읍 417-802, Incheon/인천, Ganghwa-gun/강화군, Gwancheong ri 2/관청2리, GPS-koordinaatit: 37.74719,126.50947
>> Ganghwa-eup/강화읍 417-802, Incheon/인천, Ganghwa-gun/강화군, Gwancheong ri 3/관청3리, GPS-koordinaatit: 37.74722,126.5095
>> Ganghwa-eup/강화읍 417-802, Incheon/인천, Ganghwa-gun/강화군, Gwancheongri/관청리, GPS-koordinaatit: 37.74715,126.50943
>> Ganghwa-eup/강화읍 417-802, Incheon/인천, Ganghwa-gun/강화군, Yongjeongri/용정리, GPS-koordinaatit: 37.74711,126.50939