How do you contact John Cornyn?

Senator John Cornyn is reachable via the contact form on his website or by sending mail to his office in Washington D.C. The mailing address for his office is 517 Hart Senate Office Building, Washington, DC, 20510.

John Cornyn is a conservative U.S. senator from the state of Texas whose initial election was in 2002. He is best known for his position as Majority Whip in the Senate, as well as his position on Senate Finance and Judiciary Committees. The Majority Whip is the second most powerful member of the controlling party in the Senate, second only to the Majority Leader.