Looking on the internet deeply has found these results:

I will tell you in the phone is the most popular phrase on the web.

I will tell you on the phone 11 results on the web	I will tell you in the phone 188,700,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I didn't want to tell you on the phone, but Hank got his parole. You'd better tell the phone company. I'll tell you on the phone where he's buried. I tried to tell you on the phone... I wanted to tell you on the phone, if not in person, but I just... If you knew... I was trying to tell you on the phone last night. I worked something out for you, but I don't want to tell you over the phone. Art tell you about the phone calls?	I'll tell you on the phone where he's buried. I didn't want to tell you on the phone, but Hank got his parole. I worked something out for you, but I don't want to tell you over the phone. If you knew... I was trying to tell you on the phone last night. I wanted to tell you on the phone, if not in person, but I just... You'd better tell the phone company. Art tell you about the phone calls? I tried to tell you on the phone...

I will tell you on the phone

11 results on the web

I will tell you in the phone

188,700,000 results on the web

More popular!

I didn't want to tell you on the phone, but Hank got his parole.
You'd better tell the phone company.
I'll tell you on the phone where he's buried.
I tried to tell you on the phone...
I wanted to tell you on the phone, if not in person, but I just...
If you knew... I was trying to tell you on the phone last night.
I worked something out for you, but I don't want to tell you over the phone.
Art tell you about the phone calls?

I'll tell you on the phone where he's buried.
I didn't want to tell you on the phone, but Hank got his parole.
I worked something out for you, but I don't want to tell you over the phone.
If you knew... I was trying to tell you on the phone last night.
I wanted to tell you on the phone, if not in person, but I just...
You'd better tell the phone company.
Art tell you about the phone calls?
I tried to tell you on the phone...