NOTE: The Radio Shack credit card is not offered any longer. It was issued by Citibank, and if you still owe on a Radio Shack credit card, you should pay or contact Citi using one of the methods below:
- If you want to pay your Radio Shack credit card bill online, and make a payment.
If you prefer to make your Radio Shack credit card payment by mail, the payment mailing address is:
Radio Shack Credit Card / Citi
P.O. Box 9001037
Louisville, KY 40290-1037
If you need help with payments or have other questions, the Radio Shack / Citibank credit card customer service phone number is .