Is there a book that lists all UK post codes like a telephone directory lists addresses?

Don't know about a book, but it's on line, if you had looked.Is there a book that lists all UK post codes like a telephone directory lists addresses?
the telephone directory already gives you the town name and code for that area,on a seperate page,and in alphabetical order of the townsIs there a book that lists all UK post codes like a telephone directory lists addresses?
Each Post Office branch has this directory - it's huge! It lists all postal codes, but by municipality and address. You can look up an address to find the exact postal code that way.

There is probably a web version as well.Is there a book that lists all UK post codes like a telephone directory lists addresses?
From what I hear, I dont think so. Maybe its a good thing.. it may prevent people starting fights with other people for no reason due to privacy invasions or whatever.