This post has a lot of serious answers to what is essentially a "no":

In the UK, there is a non-virtual contingency plan, or at least there was. If the internet shuts down, the people who know how it works will meet up in a pub outside London and decide what to do, says Murdoch.

“I don’t know if this is still the case. It was quite a few years ago and I was never told which pub it was.”