What the international code for Turks and Caicos Islands to call? Dial code number to open phone call in Turks and Caicos Islands is ( 001649 ) or ( +1649 ) in order to make international phone calls between Turks and Caicos Islands and all countries of the world to unlock phone with more additional details and informations about Turks and Caicos Islands country whereby each country is distinguished by a special telephone number, where the caller write the Turks and Caicos Islands dial area code to opening sim card telephone line mobile or landline then the phone number.