Average GPS coordinates for postcode 356-840: 36.804, 126.512
Listing cities:
>> Eumam-myeon/음암면 356-840, Chungcheongnam-do/충남, Seosan-si/서산시, GPS coordinates: 36.80446,126.51211
Listing cities:
>> Eumam-myeon/음암면 356-840, Chungcheongnam-do/충남, Seosan-si/서산시, GPS coordinates: 36.80446,126.51211