Confirm that your device is unlocked so we can activate it on our network. If you have a dual SIM device, unlock the device first. Check out your current carrier’s or device manufacturer’s website to unlock your device.
Gather info to begin the transfer
When you order a SIM card online, you can find out if you can transfer your current number to AT&T PREPAID. If you want to transfer the number, have the below info handy at checkout: