What the international code for Djibouti to call? Dial code number to open phone call in Djibouti is ( 00253 ) or ( +253 ) in order to make international phone calls between Djibouti and all countries of the world to unlock phone with more additional details and informations about Djibouti country whereby each country is distinguished by a special telephone number, where the caller write the Republic of Djibouti dial area code to opening sim card telephone line mobile or landline then the phone number.