Area Codes in South Korea
Most populated cities in South Korea
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 10 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 11 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 12 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 13 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 14 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 16 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 17 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 18 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 19 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 2 | Seoul | Seoul | 10,349,312 | South Korea | Asia/Seoul |
| 30 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 31 | Gwangju, Gyeonggi | Gyeonggi Province | 81,780 | South Korea | Asia/Seoul |
| 32 | Incheon | Incheon | 2,628,000 | South Korea | Asia/Seoul |
| 33 | Taebaek | Gangwon Province (South Korea) | 48,962 | South Korea | Asia/Seoul |
| 41 | Buyeo County | South Chungcheong Province | 32,642 | South Korea | Asia/Seoul |
| 42 | Daejeon | Daejeon | 1,475,221 | South Korea | Asia/Seoul |
| 43 | Buyeo County | South Chungcheong Province | 32,642 | South Korea | Asia/Seoul |
| 50 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 51 | Busan | Busan | 3,678,555 | South Korea | Asia/Seoul |
| 52 | Ulsan | Ulsan | 962,865 | South Korea | Asia/Seoul |
| 53 | Daegu | Daegu | 2,566,540 | South Korea | Asia/Seoul |
| 54 | Kumi | North Gyeongsang Province | — | South Korea | Asia/Seoul |
| 55 | Changwon | South Gyeongsang Province | 550,000 | South Korea | Asia/Seoul |
| 60 | — | — | 48,422,644 | South Korea | Asia/Seoul |
| 61 | — | — | 48,422,644 | South Korea | Asia/Seoul |
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