CONTACT INFORMATION FOR MAJOR CREDIT CARD COMPANIES

MasterCard Global Service Center 
Fraud Dept. 
P.O. Box 28468 
St. Louis, MO 63146 
(800) 307-7309 
http://www.mastercard.com

Visa Assistance Center 
Fraud Dept. 
P.O. Box 8999 
San Francisco, CA 94128 
(800) VISA911 (Hotline) 
http://www.visa.com

Discover 
Customer Service 
P.O. Box 30943 
Salt Lake City, UT 84130-0943 
1-800-347-2683 
http://www.discovercard.com

American Express 
P.O. Box 297812 
Ft. Lauderdale, FL 33329 
(800) 492-8468 
http://www.americanexpress.com

Diner's Club 
Customer Service 
PO Box 6500 
Sioux Falls, SD 57117 
1-800-525-9040 
http://www.dinersclubus.com