What the international code for Bahrain to call? Dial code number to open phone call in Bahrain is ( 00973 ) or ( +973 ) in order to make international phone calls between Bahrain and all countries of the world to unlock phone with more additional details and informations about Bahrain country whereby each country is distinguished by a special telephone number, where the caller write the Kingdom of Bahrain dial area code to opening sim card telephone line mobile or landline then the phone number.