Coordonatele medii GPS cod poștal 356-813: 36.646, 126.496

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Orașe pe listă:
>> Gobuk-myeon/고북면 356-813, Chungcheongnam-do/충남, Seosan-si/서산시, Bongsaengri/봉생리, coordonatele GPS: 36.64633,126.49595
>> Gobuk-myeon/고북면 356-813, Chungcheongnam-do/충남, Seosan-si/서산시, Jeongjari/사기리, coordonatele GPS: 36.64633,126.49595
>> Gobuk-myeon/고북면 356-813, Chungcheongnam-do/충남, Seosan-si/서산시, Sagiri/정자리, coordonatele GPS: 36.64631,126.49593