Related:

• When you dial a wrong number, you never get a busy signal. -- Kovak's Conundrum
• When you dial a wrong number you never get a busy signal.
• The most obvious response when you return a call is to get the wrong number, a busy signal or no answer to the phone.
• When you call home and get a busy signal, at least you are aware of where one of your children is at the time.
• Progress is marvelous. In former days, you could dial a wrong number locally.
  Now, thanks to progress, you can dial a wrong number all over the world....
• They've got so many of these Dial-a-Service numbers.
  They've got one that'll keep you occupied for hours, and it doesn't cost a cent....
• You know you're in a small town..... ...if you dial the wrong number, and talk for 15 minutes anyway.
• You have passed the test and can be considered as friendly if you dial a wrong number and manage to talk the the person who answers for fifteen minutes.
• You may be redneck... if you have the taxidermist's number on speed-dial.