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  4. Postal Code 28305

South Korea Postal Code 28305 Boundary Map

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Postal Code28305
Postal Code NameCheongju-si
ProvinceChungcheongbuk-do
CountyCheongju-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes28130
28131
28133
28142
28304
28306
28307
28353

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