Detailed explanation of calling Turkey from United States of America;
011 - United States of America Access code for international dial; must be dialed first for all international calls made from United States of America.
90 - country code for Turkey
area code - 3 digit area codes
phone number - 7 digits
Sometimes telephone numbers are shown with the plus(+) sign in front of the number as in the example; + 90 212 455 5555. The plus sign (+) stands for the access code for international dial.
United States of America to Turkey international dialing format: 011 + 90 + ### + ### ####