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  4. Postal Code 31401

South Korea Postal Code 31401 Boundary Map

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Postal Code31401
Postal Code NameAsan-si
ProvinceChungcheongnam-do
CountyAsan-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes17970
17979
31400
31402
31420
31422
31425

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