How do I keep track of my long-distance minutes/usage? Christian Updated November 08, 2016 21:12 Follow To see how much international calling credit you have left, text the word "balance" to 7850. Related articles How do I top up my ZIP SIM? How do I find my ICCID (SIM ID number)? Can I purchase multiple international long-distance add-ons? Can I add international long-distance to a Data-Only plan? How do I call numbers outside the USA? Comments 0 comments Article is closed for comments.