What the international code for Seychelles to call? Dial code number to open phone call in Seychelles is ( 00248 ) or ( +248 ) in order to make international phone calls between Seychelles and all countries of the world to unlock phone with more additional details and informations about Seychelles country whereby each country is distinguished by a special telephone number, where the caller write the Republic of Seychelles dial area code to opening sim card telephone line mobile or landline then the phone number.