[header] How to activate a visa debit card [title] Call the automated number on the card. [step] New debit cards often have a sticker on the front that provides you with a number to call to activate the card. If your card doesn't have this, call the customer service number provided on the back of the card. 
[title] Follow the prompts to enter the required information. [step] Along with the card number, you may be required to enter the 4 digit expiration date as well as the 3-digit cvv code on the back of the card.