With version 2.23 , you now have the option to change your number once through the app!
First, go to your Textfree settings and tap Account info
Tap your current assigned number
Tap Change Number
Once you tap Ok, you will be able to enter your preferred area code and choose a new number
Since you only have the option to change your number once, it's important that you make sure to pick a number you really like!
To find a number in your area, please make sure to have your location permission enabled.
Then, tap Find Local
*Please note, you will have 30 seconds to choose a new number before the session times out