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.

They were originally intended simply to modernise the postal service, but the letters and numbers of your postcode have also become important to your financial life. They influence what products ...

Martin Lewis has shared details about a free postcode lottery called Pick My Postcode - here's how it works and what to do if you win.

They were originally intended simply to modernise the postal service, but the letters and numbers of your postcode have also become important to your financial life.