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AB to ZE and everything in between

Author Mark Mason travelled the length and breadth of the United Kingdom to bring a relatively mundane matter - Britain's 124 postcodes - to life with trivia. He tells Dan what's so interesting about CO (Colchester) - and why LE (Leicester) is home to Britain's smallest county, but only sometimes!

(Photo: Royal Mail post box in central London, December 2008. Credit: SHAUN CURRY/AFP/Getty Images)

Release date:

Duration:

9 minutes