ZIP codes are five-digit numbers, such as the famous 90210. Why credit card postal codes and ZIP codes matter Your postal code or ZIP code acts as a security measure.

The new cards encode the user's account information not in the magnetic stripe along the card's back, but in a computer chip embedded in it. The chip generates a unique, one-time code for each sale.

What is a credit card PIN? A credit card PIN is a unique 4-digit or, in some cases, 6-digit code assigned to your card. Your identity needs to be verified through the PIN which must be entered ...

Traveling abroad? You may have been told you need a chip-and-PIN credit card, but that may no longer be true. Here's why.

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 PIN (Personal Identification Number) enables secure SIM card and network access. It is provided with your SIM card. If the PIN code is entered wrongly three times, the phone is locked and requires ...

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?