How To Find An Instagram Account By Phone Number. Yet, the efficiency of this number is debatable. First of all, save the person's mobile number in your phone's contact book as you can only find a person whose number is saved on your contact list.
You can use instant checkmate with either a cell phone or a landline phone number, so the data you have will likely work. Go to your profile page on the bottom right corner. You can then proceed to choose who you want to.