My LG Rebel 2 that's locked to Tracfone works on main Verizon and Xfinity Mobile without unlocking.
Should work on Visible right?
It won't work with Visible because Visible requires a phone that relies on VoLTE for voice and text. I'm pretty sure the Rebel 2 is LTE data only and operates on 3G CDMA for voice and text. At best, you might be able to get the Rebel 2 to work as an LTE data only mini-tablet.
I believe the Rebel 2 was one of the first Tracfone models that did have Verizon VoLTE. (And it's Verizon only).
FWIW, I just tested a Rebel 3 (unlocked by Tracfone) on US Mobile. Works fine, with VoLTE and CDMA-less. I think the primary difference between the 2 models is memory.
When the Rebel 2 came out, I don't think Tracfone was provisioning for CDMA-less yet, so it might not ever have gotten it on Tracfone unless it was deactivated and re-activated. Honestly, I don't remember with my Rebel 3 was provisioned CDMA-less on Tracfone or not, but I kind of doubt it.