40 years of the postcode

It's 40 years since postcodes were rolled-out across the UK to make letter-sorting easier.

Norwich pioneered the idea and, to mark its role, has been issued with a blue plaque

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Marking 40 years of the postcode

It's the 40th birthday of the postcode.

There are currently 1.8 million postcodes used to cover 29 million addresses across the UK.

A modern sorting office in Norwich Credit: ITV Anglia

But it was actually in Norwich that the postcode was first used, back in 1959, for a trial run.

Now a plaque's been put up in the city to commemorate the anniversary.

A plaque marking the birth of the postcode Credit: ITV Anglia

Nowadays you wouldn't post a letter without a postcode on the envelope, on average one postcode covers 17 residential addresses.

Sorting post in Norwich in 1959 Credit: ITV Anglia

The post code has also become so much more than just a practical device to help sort our letters.

Now we use them in our sat navs and they determine vitally important things like our insurance, health care provision and our children's school options.

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