The three main credit bureaus are Equifax, Experian and TransUnion. As of 2017, the number for Equifax is 800-685-1111, the number for Experian is 877-284-7942, and the number for TransUnion is 800-916-8800.
The mailing address for Equifax is P.O. Box 740241, Atlanta, GA 30374-0241. The address for Experian is P.O. Box 2104, Allen, TX 75013-0949. The address for TransUnion is P.O. Box 1000, Chester, PA 19022. Under federal law, consumers are entitled to receive a copy of their credit report from all three agencies every 12 months, and can obtain a free copy by calling 877-322-8228. Individual agencies should not be contacted for this report.