The City of Madison is the largest city in Dane County and the State Capital of Wisconsin. Our highly educated population, coupled with a strong mid-western work ethic, makes for an engaged workforce.
To help reduce fraud in the card-not-present environment, credit card companies have introduced a card code program. Visa calls this code Card Verification Value (CVV); MasterCard calls it Card Validation Code (CVC); Discover calls it Card ID (CID). The card code is a three- or four- digit security code that is printed on the back of cards. The number typically appears at the end of the signature panel.
CVV is an anti-fraud security feature to help verify that you are in possession of your credit card. For Visa/MasterCard, and Discover, the three-digit CVV number is printed on the signature panel on the back of the card immediately after the card's account number.he verification number for Visa, MasterCard, and Discover cards are a 3-digit number printed on the back. It appears after and to the right of your card number. The American Express verification number is a 4-digit number printed on the front of your card.