have the wrong number

have the wrong number

To have dialed the incorrect phone number when trying to call someone. Usually said when one answers such a phone call. I'm sorry, there's no one by that name here—I think you have the wrong number.
See also: have, number, wrong
Farlex Dictionary of Idioms.

have the wrong number

1. tv. to be wrong. (Have got can replace have.) You have missed the boat again. You have the wrong number!
2. tv. to be addressing the wrong person. (This use is in addition to the same expression used for a wrong telephone number. Have got can replace have.) No, I’m Sally. You have the wrong number.
See also: have, number, wrong
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • call about
  • call about (something)
  • call up
  • a wake-up call
  • wake-up call
  • give (one) a call
  • Give me a call
  • Can I call you?
  • Could I call you?
  • callback