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  4. Postal Code 28375

South Korea Postal Code 28375 Boundary Map

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Postal Code28375
Postal Code NameCheongju-si
ProvinceChungcheongbuk-do
CountyCheongju-si
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes28366
28367
28374
28376
28381

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