You may also be able to buy a Straight Talk SIM card at Walmart, but generally, they only sell kits with SIM cards and plans.
In case you wish to use Straight Talk’s Verizon towers, look for the phone’s serial number (IMEI or MEID) on their website to check compatibility. Make sure to order the right one for the network you want to use, one that is compatible with the new mobile device, and that has the right size (standard, micro, or nano). In this case, you can order it at for $1. If you use either the Bring your own phone or the Keep your own phone option, you will need a new SIM card. If you buy the new device at Straight Talk or Walmart, you will automatically receive a SIM card. If your new phone is not compatible with your SIM card or if any other of the requirements listed above is not met, you will have to transfer your service by activating your new phone or SIM card online. Option number 2: Activate your new phone and SIM card at However, when it comes to permanently moving the service, it may be better to properly activate your new phone or SIM card. Note that this is a perfectly valid short-term solution. Your new phone has to be compatible with the Straight Talk network you are using.It’s better if you have Straight Talk’s T-Mobile or AT&T SIM card, as with Verizon SIM cards things can get a bit trickier.Your SIM card has to fit into your new device and the card and the phone must be compatible.To do so, you have to make sure your situation meets the following requirements:
Sometimes all it takes to successfully transfer your Straight Talk service from one phone to another is to move your SIM card. Option number 1: Move your Straight Talk SIM card from your current phone to your new phone