What the international code for Swaziland to call? Dial code number to open phone call in Swaziland is ( 00268 ) or ( +268 ) in order to make international phone calls between Swaziland and all countries of the world to unlock phone with more additional details and informations about Swaziland country whereby each country is distinguished by a special telephone number, where the caller write the Kingdom of Swaziland dial area code to opening sim card telephone line mobile or landline then the phone number.