Prosečne GPS koordinate za poštanski broj 250-813: 37.733, 127.952

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Spisak gradova:
>> Hwachon-myeon/화촌면 250-813, Gangwon-do/강원, Hongcheon-gun/홍천군, Gurunri/굴운리, GPS koordinate: 37.7334,127.95198
>> Hwachon-myeon/화촌면 250-813, Gangwon-do/강원, Hongcheon-gun/홍천군, Songjeongri/송정리, GPS koordinate: 37.73345,127.95203