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  4. Postal Code 18109

South Korea Postal Code 18109 Boundary Map

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Postal Code18109
Postal Code NameOsan-si
ProvinceGyeonggi-do
CountyOsan-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes18102
18106
18107
18108
18110
18117
18118

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