In London we use postcodes to specify areas of the city, rather like zip codes in the US. But our postcodes may not be so easy to understand. You can get the basics of ‘E’ means ‘East’ and ‘N’ means ‘North’ but what is ‘WC’? And what do the numbers mean? For more information on this slightly confusing system, plus a list of common postcodes and the London districts they relate to, check out this postcode article.