How do I dispute a charge?

Please contact Customer Service at 877-825-3242 or mail your written dispute to: Credit One Bank, Attn: Dispute Department, P.O. Box 98876, Las Vegas, NV 89193-8876. It is very important that you provide all information in regard to your dispute: 1) your account number; 2) the name of the merchant; 3) a detailed explanation of your dispute; 4) the date that the charge was made; and 5) the amount of the charge. If you are mailing your dispute, you must sign your letter.