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  4. Postal Code 18143

South Korea Postal Code 18143 Boundary Map

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Postal Code18143
Postal Code NameOsan-si
ProvinceGyeonggi-do
CountyOsan-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes18137
18140
18142
18144
18145
18146
18147

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