Gjennomsnittlig GPS-koordinater for postnummer 356-822: 36.729, 126.528

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Notering byer:
>> Haemi-myeon/해미면 356-822, Chungcheongnam-do/충남, Seosan-si/서산시, Banyangri/귀밀리, GPS-koordinater: 36.72851,126.52835
>> Haemi-myeon/해미면 356-822, Chungcheongnam-do/충남, Seosan-si/서산시, Eokdaeri/반양리, GPS-koordinater: 36.7285,126.52834
>> Haemi-myeon/해미면 356-822, Chungcheongnam-do/충남, Seosan-si/서산시, Gwimilli/억대리, GPS-koordinater: 36.72854,126.52838
>> Haemi-myeon/해미면 356-822, Chungcheongnam-do/충남, Seosan-si/서산시, Jeoncheonri/웅소성리, GPS-koordinater: 36.72854,126.52838
>> Haemi-myeon/해미면 356-822, Chungcheongnam-do/충남, Seosan-si/서산시, Ungsoseongri/전천리, GPS-koordinater: 36.72848,126.52832