The three major credit bureaus are important to contact if you are going to be repairing your credit score. The major three credit agencies can help you by sending you your credit report. If you find an error on your credit report, these are also the companies you must contact in order to correct the problem. You can easily contact these organizations by mail, telephone, or through the Internet:

Equifax Credit Information Services, Inc
P.O. Box 740241
Atlanta, GA 30374
Telephone: 1_888_766_0008
Online: www.equifax.com

TransUnion LLC Consumer Disclosure Center
P.O. Box 1000
Chester, PA 19022
Telephone: 1_800_888_4213
Online: www.tuc.com

Experian National Consumer Assistance Center
PO Box 2002
Allen, TX 75013
Telephone: 1_888_397_3742
Online: www.experian.com

You may want to note this information wherever most of your financial information is kept so that you can easily contact the bureaus whenever you need to. Your local yellow pages should also have the contact information of these credit agencies as well.