What are the addresses of the credit agencies to report a dispute?

Since the FACTACT became law the three major agencies have changed their dispute procedures. The simplest way to find information is to log on to their websites, www.equifax.com, www.experian.com, www.transunion.com..... TransUnion Corporation P.O. Box 1000, Chester, PA. 19022, Experian P.O. Box 949, Allen, TX. 75013, Equifax P.O. Box 105873, Atlanta, GA. 30348.