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  4. Postal Code 31423

South Korea Postal Code 31423 Boundary Map

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Postal Code31423
Postal Code NameAsan-si
ProvinceChungcheongnam-do
CountyAsan-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes31411
31413
31415
31421
31422
31424
31443

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