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  4. Postal Code 21931

South Korea Postal Code 21931 Boundary Map

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Postal Code21931
Postal Code NameYeonsu-gu
ProvinceIncheon
CountyYeonsu-gu
TimezoneKorean Standard Time (KST)
Adjacent Postal Codes21634
21695
21928
21930
21932
21967
21974
21975

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