I'm glad that you asked about internation rates brandonb0717. Let's look into this together. May I ask are you within the US? Also, is your sister texting your from a US number? Whic More Everything plan do you have? As you share the details then we can verify if ther's a cost for you. Here's a link if you wish to look up all of the cost for you and your sister, assuming that she has Verizon Wireless service also.