Average GPS coordinates for postcode 350-830: 36.631, 126.685
Listing cities:
>> Hongbuk-myeon/홍북면 350-830, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS coordinates: 36.63068,126.68495
Listing cities:
>> Hongbuk-myeon/홍북면 350-830, Chungcheongnam-do/충남, Hongseong-gun/홍성군, GPS coordinates: 36.63068,126.68495