Discover what a billing ZIP code is and why it's important for credit card transactions. Learn when it's required and how to find your billing ZIP code.

Discover Card announced that it has begun issuing Zip contactless credit cards and stickers to its customers. Discover’s Zip is a new payment solution that enables consumers to simply touch a payment ...

After an extended testing period, Discover Financial Services is rolling out its Discover Zip contactless payment system. The card network says an undisclosed number of cardholders began receiving ...