Can you unlock a cell phone you bought from TracFone and use it with another provider? Yes, says this page. TracFone will be happy to unlock it for you if your phone meets certain criteria. Here are two of them:

The TracFone device was first introduced for sale on or after January 1, 2014.

The TracFone device has been in service for at least 12 months with paid, verifiable airtime.

So good luck with that unlocking thing.