Good luck with that one

Text a picture of an awesome muscle car to both numbers, the one that compliments it is the dad xD

How are they messaging if they do t have their number?

Just text and say it's the wrong number if it's the dad but if the daughter responds acting like the dad you might have a bad time haha

Just call it and if a male voice picks it up, ask if <<a made up name>> is there. He'll probably respond "wrong number buddy" and you just apologize and call the other one.

Look up the numbers. There is a way you could tell which one is which