Hi Kenton, I am Paulo and I'd like to help.
I believe Google Voice offers free phone calls if you're in the US with the exemption of these areas:
Alaska, Hawaii, the US territories of American Samoa, Guam, Northern Mariana Island, Puerto Rico, and the US Virgin Islands
https://support.google.com/a/answer/12743190?hl=en
https://voice.google.com/u/0/about
Here's how you can set it up
https://www.tomsguide.com/news/how-does-google-...
(Disclaimer: These are non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before downloading and installing it.)