Average GPS coordinates for postcode 350-810: 36.548, 126.707
Listing cities:
>> Hongdong-myeon/홍동면 350-810, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS coordinates: 36.54802,126.70651
Listing cities:
>> Hongdong-myeon/홍동면 350-810, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS coordinates: 36.54802,126.70651