The U.S. president's email address is firstname.lastname@example.org. The White House states that as of 2014, email is the fastest way to contact President Barack Obama.
According to the staff at the White House, the president is committed to answering questions from the public. He is hopeful that doing this is part of an open administration. Other forms of contact include writing a letter and calling the White House telephone. If writing a letter, make sure that the letter is typed or written very neatly. Address the letter to :
The White House
1600 Pennsylvania Avenue NW
Washington, DC 20500
In order to contact the president via telephone, call 202-456-1111.