A lot of people think there is just one credit bureau, However there is three credit bureaus. They are Equifax, Transunion and Experian and I have listed all of their contact information below.
Equifax Credit Information Services, Inc
Address: P.O. Box 740241
Atlanta, GA 30374
TransUnion LLC Consumer Disclosure Center
Address: P.O. Box 1000
Chester, PA 19022
Experian National Consumer Assistance Center
Address: PO Box 2002
Allen, TX 75013
You will need this information to start the credit repair proccess.