What the international code for Ethiopia to call? Dial code number to open phone call in Ethiopia is ( 00251 ) or ( +251 ) in order to make international phone calls between Ethiopia and all countries of the world to unlock phone with more additional details and informations about Ethiopia country whereby each country is distinguished by a special telephone number, where the caller write the Federal Democratic Republic of Ethiopia dial area code to opening sim card telephone line mobile or landline then the phone number.