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  4. Postal Code 37421

South Korea Postal Code 37421 Boundary Map

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Postal Code37421
Postal Code NameCheongsong-gun
ProvinceGyeongsangbuk-do
CountyCheongsong-gun
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes36737
37418
37420
37422
37449

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