He left his name and number in case I heard from you.
I left my number, told her to call if she thought of anything.
The man in black had left a number, but she didn't plan to use it.
He was married three times and left a number of children.
It might be well if you left a number here.
The play leaves a number of questions in the air.
"Want to leave a number where she can call you?"
Could I leave my number for her to ring me?
So my solution is to tell the staff what you found, leave your number and hold on to the money.
I left my number and was told he probably wouldn't return the call until Monday.