WARNING--BEWARE!! These callers are B I G credit card criminals, known as the card service scammers! Under NO circumstances, give these lowlifes your credit card number, or you will regret it forever!
I have a cell-phone and I do not answer unknown numbers. Someone called today at 3:15 PM and did not leave a message. My phone number is registered on the national Do Not Call List and I reported this call to them. Based on this website they are trying scam people like us!