Average GPS coordinates for postcode 356-877: 36.926, 126.374
Listing cities:
>> Daesan-eup/대산읍 356-877, Chungcheongnam-do/충남, Seosan-si/서산시, Ungdori/웅도리, GPS coordinates: 36.92593,126.3742
Listing cities:
>> Daesan-eup/대산읍 356-877, Chungcheongnam-do/충남, Seosan-si/서산시, Ungdori/웅도리, GPS coordinates: 36.92593,126.3742