Okay. So I have a TMobile phone and I have the My Account app on my phone. I was looking at my phone bill on there and it showed that I owe $18.81 more than last months bill. So I went into the little tab called Billing. I then clicked on Amount Due the first tab at the top. This tab shows all the amounts that I payed over the past 6 months. So then I was looking at what I did that charged me the $18.81. It shows Monthly Charges(which was the same as last month.), then it shows Use Charges(which was where the $18.81 was charged to.) What does Use Charges mean? And what could I have done to have any charges there? I know that I have been texting and calling a friend from Louisiana and I live in Pennsylvania. Am I making a long distance call and could this be why I'm being charged? I have unlimited texting but not calling. I haven't gone over my minutes because I checked that. And I even wait till after 9 o'clock to call because I know that after 9 o'clock calling is free for TMobile. So what could I have done to have charged in Use Charges and what does Use Charges even mean?