To dial country code 213 Algeria from your country, you need to dial exit code of your country for united states it is 011 for Algeria. Next enter country dialing code of Algeria which is 213. Finally enter local phone number of Algeria and you are done. If your mobile phone dialing screen has + sign then you can skip exit code and directly dial + sign and country code. If you need to dial phone number with area code then Algeria dialing code 213 is followed by an area code so below is list of area codes of Algeria.
HOW TO DIAL ALGERIA FROM UNITED STATES