| List of All Postal Codes in Busan |
| List of All Postal Codes in Chungcheongbuk-do |
| List of All Postal Codes in Chungcheongnam-do |
| List of All Postal Codes in Daegu |
| List of All Postal Codes in Daejeon |
| List of All Postal Codes in Gangwon-do |
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| List of All Postal Codes in Gwangju |
| List of All Postal Codes in Gyeonggi-do |
| List of All Postal Codes in Gyeongsangbuk-do |
| List of All Postal Codes in Gyeongsangnam-do |
| List of All Postal Codes in Incheon |
| List of All Postal Codes in Jeju-do |
| List of All Postal Codes in Jeollabuk-do |
| List of All Postal Codes in Jeollanam-do |
| List of All Postal Codes in Sejong |
| List of All Postal Codes in Seoul |
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| List of All Postal Codes in Ulsan |