Final answer:
The famous mailing address for the White House is 1600 Pennsylvania Avenue NW, Washington, D.C. 20500.
Step-by-step explanation:
The famous mailing address for the White House is 1600 Pennsylvania Avenue NW, Washington, D.C. 20500.
This address is well-known because it is the official residence and workplace of the president of the United States. Many people send letters, packages, and invitations to the White House using this address.
It is important to note that the White House receives a large volume of mail, so it's advisable to follow the guidelines and procedures provided on the official White House website if you want to send mail to the president or any other staff at the White House.