A postal code is a five digit code used to help postal services deliver mail and packages. Here's what the numbers mean and how they determine yours.

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 House passed two bills Monday night that would authorize the U.S. Postal Service to create 76 new ZIP codes for communities nationwide.  These ...