What the international code for South Korea to call? Dial code number to open phone call in South Korea is ( 0082 ) or ( +82 ) in order to make international phone calls between South Korea and all countries of the world to unlock phone with more additional details and informations about South Korea country whereby each country is distinguished by a special telephone number, where the caller write the République de Corée du Sud dial area code to opening sim card telephone line mobile or landline then the phone number.