What the international code for South Sudan to call? Dial code number to open phone call in South Sudan is ( 00211 ) or ( +211 ) in order to make international phone calls between South Sudan and all countries of the world to unlock phone with more additional details and informations about South Sudan country whereby each country is distinguished by a special telephone number, where the caller write the Republic of South Sudan dial area code to opening sim card telephone line mobile or landline then the phone number.