I use this one: https://en.wikipedia.org/wiki/777-9311 https://en.wikipedia.org/wiki/777-9311 > The song's title, "777-9311", was Prince guitarist Dez Dickerso

I use this one: https://en.wikipedia.org/wiki/777-9311 https://en.wikipedia.org/wiki/777-9311 > The song's title, "777-9311", was Prince guitarist Dez Dickerson's actual telephone number at the time the song was written. Once the song became a hit, the phone calls started coming in, and Dickerson ended up having to change his phone number.