08081 570980

On 6 March 2006, after the Slitheen craft crashed into Big Ben, 08081 570980 was the freephone number used by the authorities in case anyone needed information about missing relatives. It was later open to any member of the public to report alien sightings. Jackie Tyler called it to report the Ninth Doctor, which set off a Code Nine alert in the British government. (TV: Aliens of London)