Prosečne GPS koordinate za poštanski broj 638-991: 35.029, 128.348

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Spisak gradova:
>> Maam-myeon/마암면 638-991, Gyeongsangnam-do/경남, Goseong-gun/고성군, Bojeonri/도전리, GPS koordinate: 35.02931,128.34816
>> Maam-myeon/마암면 638-991, Gyeongsangnam-do/경남, Goseong-gun/고성군, Dojeonri/두호리, GPS koordinate: 35.02937,128.34822
>> Maam-myeon/마암면 638-991, Gyeongsangnam-do/경남, Goseong-gun/고성군, Duhori/보전리, GPS koordinate: 35.02939,128.34824
>> Maam-myeon/마암면 638-991, Gyeongsangnam-do/경남, Goseong-gun/고성군, Samrakri/삼락리, GPS koordinate: 35.02927,128.34812