The mailing address for Equifax Information Services LLC is P.O. Box 740256, Atlanta, GA 30374. Those contacting Equifax to dispute inaccurate information on their report must include a completed Research Request Form, which is available on the Equifax website.
A consumer wishing to contest errors on a report must accompany the form with a detailed letter and any documentation that supports the claim. Equifax responds to such investigations by mail within 30 to 45 days of receipt. Those finding errors on the Equifax report are encouraged to check their Experian and TransUnion reports to see if those files contain the same inaccuracies.