616?

[...] They and satanists responded coolly to the new 'Revelation'. Peter Gilmore, High Priest of the Church of Satan, based in New York, said: 'By using 666 we're using something that the Christians fear. Mind you, if they do switch to 616 being the number of the beast then we'll start using that.

The Independent :: Revelation! 666 is not the number of the beast (it's a devilish 616)

p.s. It's also the area code for Grand Rapids, Michigan. They will not be pleased.