What exactly is a billing ZIP code, and why do credit cards need it? Billing ZIP codes are a crucial aspect of credit card security, helping to prevent fraud and ensure authorized transactions.

Your billing zip code, or credit card postal code, is the five-digit number on the bottom right, which in this sample is 90210. This would be the zip code associated with your billing address. It ...

The zip code on a Visa card is the specific digit number printed above the card's expiration date. The zip code is used to verify the cardholder's identity and ensure that the card is used in its ...

Your postal code or ZIP code acts as a security measure. When making purchases online with a credit card, you may be prompted to provide the mailing address or postal code associated with your card.

Getty Images Never reveal your code in response to a phone call or email you find suspicious. Have you ever felt uneasy when someone on the phone asked for your credit card security code?