If you are struggling to dispute on-line, just submit a letter to each bureau, stating why you are disputing it. If something is showing that you still owe on something but it is paid off, obtain a letter from the original creditor and submit it to the credit bureaus. . . Equifax Consumer Relations. 800-685-1111. P.O. Box 740241. Atlanta, GA 30374-0193. . Experian Consumer Relations. 888-397-3742. P.O. Box 2002. Allen, TX 75013. . TransUnion Consumer Report. 800-888-4213. P.O. Box 1000. Chester, PA 19022