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.

The scary part about this scam is that the crooks already have your entire credit card number, making it seem very convincing. Here is how it works.

Why are zip codes and postal codes important when it comes to credit card transactions and when do they overlap for Canadian credit card users?