If you wish to contact the President, you can write him here. It is advisable to either type your letter on an 8 1/2″ by 11″ sheet of paper, or handwrite in the most legible manner possible.
Whether your message is of praise or complaint, due respect to the office should always be observed. Here is the address for the White House:
The White House
1600 Pennsylvania Avenue NW
Washington, DC 20500
You can also send a message via the White House contact page.
Email directly: firstname.lastname@example.org
White House main telephone number:
Comments: (202) 456-1111
More information on how to contact the White House/President and to view sample letter examples can be found here.