Every phone has a unique identification number—15 digits that tells you the make, model, and if it’s ready to use on our network. Most phones are compatible
Note: "THE RESULT WILL SHOW COMPATIBILITY. RESULTS ARE NOT ALWAYS ACCURATE. NO PRE-PAID DEVICE CAN BE USED AS BYODs THIS INCLUDES: TRAKFONE®, STRAIGHT TALK®, WALMART FAMILY MOBILE™."