WEBLet’s See if Your Device is Compatible With the UScellular® Prepaid Network. Please enter your device’s unique identifier. Your device will either have a 14-digit MEID or a 15-digit IMEI. If your device has an IMEI, only enter the first 14 digits. Need help finding your IMEI/MEID? Check the original packaging of the device, the IMEI/MEID ...