The telephone number 01189998819991197253 appears in an episode of the IT crowd as the new number for the emergency services.
The unwieldy new emergency phone number 01189998819991197253 is dialled by an old lady shortly after falling down a flight of stairs. Obviously this is a joke and we don’t want anyone phoning it in a real emergency!
If a phone number could achieve cult status then this number is the closest. There are many gags based on this number on Twitter. See the following:
Just a brief reminder : in an emergency you should call 01189998819991197253
— El Presidente (@PSFennell) April 8, 2019