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  4. Postal Code 18118

South Korea Postal Code 18118 Boundary Map

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Postal Code18118
Postal Code NameOsan-si
ProvinceGyeonggi-do
CountyOsan-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes18109
18110
18113
18115
18117
18119
18120
18121

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