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  4. Postal Code 28781

South Korea Postal Code 28781 Boundary Map

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Postal Code28781
Postal Code NameCheongju-si
ProvinceChungcheongbuk-do
CountyCheongju-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes28769
28774
28776
28778
28780
28782
28783

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