I know this info is hard to find, especially the phone numbers, unless you purchase your CR from the CRA (those scoundrels)! I found a site listing the information. Happy Disputing! Trans Union P.O. Box 1000 Chester, PA 19022 1-800-888-4213 Equifax P.O. Box 740241 Atlanta, GA 30374-0241 1-800-997-2493 Experian P.O. Box 2104 Allen, TX 75013-2104 1-888-397-3742