The Area Codes of Korea, South:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Busan | 051 (+8251) |
| 2. | Chungcheongbuk-do | 043 (+8243) |
| 3. | Chungcheongnam-do | 041 (+8241) |
| 4. | Daegu | 053 (+8253) |
| 5. | Daejeon | 042 (+8242) |
| 6. | Gangwon-do | 033 (+8233) |
| 7. | Gwangju | 062 (+8262) |
| 8. | Gyeonggi-do | 031 (+8231) |
| 9. | Gyeongsangbuk-do | 054 (+8254) |
| 10. | Gyeongsangnam-do | 055 (+8255) |