FlaFyrFyter, we have just the information that you are looking for. Getting the usage details on your phone lines is key. El registro de uso detallado te mostrará cuántos datos, minutos o mensajes se usaron y cuándo. You can view usage for your current bill cycle and also for past bill cycles: https://www.verizonwireless.com/support/view-usage-on-your-bill/ and view the section labeled: " View a detailed usage log for each line" for the information that you are looking for. Please keep us posted if you have more questions.