What the international code for Antigua and Barbuda to call? Dial code number to open phone call in Antigua and Barbuda is ( 001268 ) or ( +1268 ) in order to make international phone calls between Antigua and Barbuda and all countries of the world to unlock phone with more additional details and informations about Antigua and Barbuda country whereby each country is distinguished by a special telephone number, where the caller write the Antigua and Barbuda dial area code to opening sim card telephone line mobile or landline then the phone number.