What the international code for Dominican Republic to call? Dial code number to open phone call in Dominican Republic is ( 001809 ) or ( +1809 ) in order to make international phone calls between Dominican Republic and all countries of the world to unlock phone with more additional details and informations about Dominican Republic country whereby each country is distinguished by a special telephone number, where the caller write the Dominican Republic dial area code to opening sim card telephone line mobile or landline then the phone number.