ZIP codes: Delivering more than you bargained for

Psst, your ZIP code is telling all your secrets. In fact, so much is hidden in that short string of digits at the end of your address – we're talking pride, discrimination and marketing gold. Starting with a bulging wartime mail sack and ending with a cup of tea down an Irish country road – this is the winding journey of the postal code.See omnystudio.com/listener for privacy information.