Postal codes came into existence way back in 1957 and it took another 15 years before the whole of the UK had a Post Code.
The idea being that Post Codes would speed up the sorting procedure in the Royal Mail sorting depots.
It is very important when sending a letter that it not only has the correct address on it but also the correct Post Code. Failure to do its will result in a possible delay in the letter being delivered.
It should appear after the address and before the County
2 Down the Road
There are places on the Internet where you can find a Post Code for most Postal address’s in the UK. Usually free but sometimes limited.
Here are 3 sites that are Post Code finders:
This next link is great for Post Code finder in other country’s as well as the UK
The following link will enable you to find the distance between 2 Post Codes….should you wish to know that!