Contact information is different for each of the three primary credit bureaus, which include Equifax, Experian and TransUnion, and contact information is available on the company websites. As of 2015, the main telephone number for Equifax is 800-685-1111; Experian is 888-397-3742; and TransUnion is 800-916-8800, according to USA.gov.
Equifax instructs consumers to call 866-349-5191 to dispute items on an Equifax credit report, or to dispute the items online at Equifax.com. Experian suggests calling the toll free number listed on the credit report to dispute an item, or to open a dispute online at Experian.com. Transunion directs consumers to call 800-916-8800 or visit TransUnion.com to dispute items on a TransUnion credit report.